418836688

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{1279}}^1$

素因数の和:1595

約数の個数: 40

約数和(自身を含む): 824391680

約数和(自身を除く): 405554992

約数列:

[1, 2, 4, 8, 16, 97, 194, 211, 388, 422, 776, 844, 1279, 1552, 1688, 2558, 3376, 5116, 10232, 20464, 20467, 40934, 81868, 124063, 163736, 248126, 269869, 327472, 496252, 539738, 992504, 1079476, 1985008, 2158952, 4317904, 26177293, 52354586, 104709172, 209418344, 418836688]

約数ペア:

[(1, 418836688), (2, 209418344), (4, 104709172), (8, 52354586), (16, 26177293), (97, 4317904), (194, 2158952), (211, 1985008), (388, 1079476), (422, 992504), (776, 539738), (844, 496252), (1279, 327472), (1552, 269869), (1688, 248126), (2558, 163736), (3376, 124063), (5116, 81868), (10232, 40934), (20464, 20467)]