643389856

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 1405555200

約数和(自身を除く): 762165344

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 139, 152, 184, 278, 304, 331, 368, 437, 556, 608, 662, 736, 874, 1112, 1324, 1748, 2224, 2641, 2648, 3197, 3496, 4448, 5282, 5296, 6289, 6394, 6992, 7613, 10564, 10592, 12578, 12788, 13984, 15226, 21128, 25156, 25576, 30452, 42256, 46009, 50312, 51152, 60743, 60904, 84512, 92018, 100624, 102304, 121486, 121808, 144647, 184036, 201248, 242972, 243616, 289294, 368072, 485944, 578588, 736144, 874171, 971888, 1058207, 1157176, 1472288, 1748342, 1943776, 2116414, 2314352, 3496684, 4232828, 4628704, 6993368, 8465656, 13986736, 16931312, 20105933, 27973472, 33862624, 40211866, 80423732, 160847464, 321694928, 643389856]

約数ペア:

[(1, 643389856), (2, 321694928), (4, 160847464), (8, 80423732), (16, 40211866), (19, 33862624), (23, 27973472), (32, 20105933), (38, 16931312), (46, 13986736), (76, 8465656), (92, 6993368), (139, 4628704), (152, 4232828), (184, 3496684), (278, 2314352), (304, 2116414), (331, 1943776), (368, 1748342), (437, 1472288), (556, 1157176), (608, 1058207), (662, 971888), (736, 874171), (874, 736144), (1112, 578588), (1324, 485944), (1748, 368072), (2224, 289294), (2641, 243616), (2648, 242972), (3197, 201248), (3496, 184036), (4448, 144647), (5282, 121808), (5296, 121486), (6289, 102304), (6394, 100624), (6992, 92018), (7613, 84512), (10564, 60904), (10592, 60743), (12578, 51152), (12788, 50312), (13984, 46009), (15226, 42256), (21128, 30452), (25156, 25576)]