81719110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 166281984

約数和(自身を除く): 84562874

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 107, 110, 131, 214, 262, 265, 530, 535, 583, 655, 1070, 1166, 1177, 1310, 1441, 2354, 2882, 2915, 5671, 5830, 5885, 6943, 7205, 11342, 11770, 13886, 14017, 14410, 28034, 28355, 34715, 56710, 62381, 69430, 70085, 76373, 124762, 140170, 152746, 154187, 308374, 311905, 381865, 623810, 742901, 763730, 770935, 1485802, 1541870, 3714505, 7429010, 8171911, 16343822, 40859555, 81719110]

約数ペア:

[(1, 81719110), (2, 40859555), (5, 16343822), (10, 8171911), (11, 7429010), (22, 3714505), (53, 1541870), (55, 1485802), (106, 770935), (107, 763730), (110, 742901), (131, 623810), (214, 381865), (262, 311905), (265, 308374), (530, 154187), (535, 152746), (583, 140170), (655, 124762), (1070, 76373), (1166, 70085), (1177, 69430), (1310, 62381), (1441, 56710), (2354, 34715), (2882, 28355), (2915, 28034), (5671, 14410), (5830, 14017), (5885, 13886), (6943, 11770), (7205, 11342)]