81111730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21863}}^1$

素因数の和:21930

約数の個数: 32

約数和(自身を含む): 170014464

約数和(自身を除く): 88902734

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 21863, 43726, 109315, 153041, 218630, 306082, 765205, 1158739, 1530410, 2317478, 5793695, 8111173, 11587390, 16222346, 40555865, 81111730]

約数ペア:

[(1, 81111730), (2, 40555865), (5, 16222346), (7, 11587390), (10, 8111173), (14, 5793695), (35, 2317478), (53, 1530410), (70, 1158739), (106, 765205), (265, 306082), (371, 218630), (530, 153041), (742, 109315), (1855, 43726), (3710, 21863)]