643671952

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 160

約数和(自身を含む): 1672821504

約数和(自身を除く): 1029149552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 73, 77, 88, 112, 119, 136, 146, 154, 176, 187, 238, 272, 292, 308, 374, 421, 476, 511, 584, 616, 748, 803, 842, 952, 1022, 1168, 1232, 1241, 1309, 1496, 1606, 1684, 1904, 2044, 2482, 2618, 2947, 2992, 3212, 3368, 4088, 4631, 4964, 5236, 5621, 5894, 6424, 6736, 7157, 8176, 8687, 9262, 9928, 10472, 11242, 11788, 12848, 13651, 14314, 17374, 18524, 19856, 20944, 22484, 23576, 27302, 28628, 30733, 32417, 34748, 37048, 44968, 47152, 50099, 54604, 57256, 61466, 64834, 69496, 74096, 78727, 89936, 95557, 100198, 109208, 114512, 122932, 129668, 138992, 157454, 191114, 200396, 215131, 218416, 245864, 259336, 314908, 338063, 382228, 400792, 430262, 491728, 518672, 522461, 551089, 629816, 676126, 764456, 801584, 860524, 1044922, 1102178, 1259632, 1352252, 1528912, 1721048, 2089844, 2204356, 2366441, 2704504, 3442096, 3657227, 4179688, 4408712, 4732882, 5409008, 5747071, 7314454, 8359376, 8817424, 9465764, 11494142, 14628908, 18931528, 22988284, 29257816, 37863056, 40229497, 45976568, 58515632, 80458994, 91953136, 160917988, 321835976, 643671952]

約数ペア:

[(1, 643671952), (2, 321835976), (4, 160917988), (7, 91953136), (8, 80458994), (11, 58515632), (14, 45976568), (16, 40229497), (17, 37863056), (22, 29257816), (28, 22988284), (34, 18931528), (44, 14628908), (56, 11494142), (68, 9465764), (73, 8817424), (77, 8359376), (88, 7314454), (112, 5747071), (119, 5409008), (136, 4732882), (146, 4408712), (154, 4179688), (176, 3657227), (187, 3442096), (238, 2704504), (272, 2366441), (292, 2204356), (308, 2089844), (374, 1721048), (421, 1528912), (476, 1352252), (511, 1259632), (584, 1102178), (616, 1044922), (748, 860524), (803, 801584), (842, 764456), (952, 676126), (1022, 629816), (1168, 551089), (1232, 522461), (1241, 518672), (1309, 491728), (1496, 430262), (1606, 400792), (1684, 382228), (1904, 338063), (2044, 314908), (2482, 259336), (2618, 245864), (2947, 218416), (2992, 215131), (3212, 200396), (3368, 191114), (4088, 157454), (4631, 138992), (4964, 129668), (5236, 122932), (5621, 114512), (5894, 109208), (6424, 100198), (6736, 95557), (7157, 89936), (8176, 78727), (8687, 74096), (9262, 69496), (9928, 64834), (10472, 61466), (11242, 57256), (11788, 54604), (12848, 50099), (13651, 47152), (14314, 44968), (17374, 37048), (18524, 34748), (19856, 32417), (20944, 30733), (22484, 28628), (23576, 27302)]