61721968

素因数分解:

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

素因数の和:471

約数の個数: 120

約数和(自身を含む): 161065584

約数和(自身を除く): 99343616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 196, 238, 272, 308, 374, 392, 421, 476, 539, 616, 748, 784, 833, 842, 952, 1078, 1232, 1309, 1496, 1666, 1684, 1904, 2156, 2618, 2947, 2992, 3332, 3368, 4312, 4631, 5236, 5894, 6664, 6736, 7157, 8624, 9163, 9262, 10472, 11788, 13328, 14314, 18326, 18524, 20629, 20944, 23576, 28628, 32417, 36652, 37048, 41258, 47152, 50099, 57256, 64834, 73304, 74096, 78727, 82516, 100198, 114512, 129668, 146608, 157454, 165032, 200396, 226919, 259336, 314908, 330064, 350693, 400792, 453838, 518672, 551089, 629816, 701386, 801584, 907676, 1102178, 1259632, 1402772, 1815352, 2204356, 2805544, 3630704, 3857623, 4408712, 5611088, 7715246, 8817424, 15430492, 30860984, 61721968]

約数ペア:

[(1, 61721968), (2, 30860984), (4, 15430492), (7, 8817424), (8, 7715246), (11, 5611088), (14, 4408712), (16, 3857623), (17, 3630704), (22, 2805544), (28, 2204356), (34, 1815352), (44, 1402772), (49, 1259632), (56, 1102178), (68, 907676), (77, 801584), (88, 701386), (98, 629816), (112, 551089), (119, 518672), (136, 453838), (154, 400792), (176, 350693), (187, 330064), (196, 314908), (238, 259336), (272, 226919), (308, 200396), (374, 165032), (392, 157454), (421, 146608), (476, 129668), (539, 114512), (616, 100198), (748, 82516), (784, 78727), (833, 74096), (842, 73304), (952, 64834), (1078, 57256), (1232, 50099), (1309, 47152), (1496, 41258), (1666, 37048), (1684, 36652), (1904, 32417), (2156, 28628), (2618, 23576), (2947, 20944), (2992, 20629), (3332, 18524), (3368, 18326), (4312, 14314), (4631, 13328), (5236, 11788), (5894, 10472), (6664, 9262), (6736, 9163), (7157, 8624)]