64812976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1261

約数の個数: 40

約数和(自身を含む): 133652160

約数和(自身を除く): 68839184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 478, 956, 997, 1912, 1994, 3824, 3988, 4063, 7976, 8126, 15952, 16252, 16949, 32504, 33898, 65008, 67796, 135592, 238283, 271184, 476566, 953132, 1906264, 3812528, 4050811, 8101622, 16203244, 32406488, 64812976]

約数ペア:

[(1, 64812976), (2, 32406488), (4, 16203244), (8, 8101622), (16, 4050811), (17, 3812528), (34, 1906264), (68, 953132), (136, 476566), (239, 271184), (272, 238283), (478, 135592), (956, 67796), (997, 65008), (1912, 33898), (1994, 32504), (3824, 16949), (3988, 16252), (4063, 15952), (7976, 8126)]