71443792

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 169274880

約数和(自身を除く): 97831088

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 157, 238, 239, 272, 314, 476, 478, 628, 952, 956, 1099, 1256, 1673, 1904, 1912, 2198, 2512, 2669, 3346, 3824, 4063, 4396, 5338, 6692, 8126, 8792, 10676, 13384, 16252, 17584, 18683, 21352, 26768, 28441, 32504, 37366, 37523, 42704, 56882, 65008, 74732, 75046, 113764, 149464, 150092, 227528, 262661, 298928, 300184, 455056, 525322, 600368, 637891, 1050644, 1275782, 2101288, 2551564, 4202576, 4465237, 5103128, 8930474, 10206256, 17860948, 35721896, 71443792]

約数ペア:

[(1, 71443792), (2, 35721896), (4, 17860948), (7, 10206256), (8, 8930474), (14, 5103128), (16, 4465237), (17, 4202576), (28, 2551564), (34, 2101288), (56, 1275782), (68, 1050644), (112, 637891), (119, 600368), (136, 525322), (157, 455056), (238, 300184), (239, 298928), (272, 262661), (314, 227528), (476, 150092), (478, 149464), (628, 113764), (952, 75046), (956, 74732), (1099, 65008), (1256, 56882), (1673, 42704), (1904, 37523), (1912, 37366), (2198, 32504), (2512, 28441), (2669, 26768), (3346, 21352), (3824, 18683), (4063, 17584), (4396, 16252), (5338, 13384), (6692, 10676), (8126, 8792)]