81466684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 79410116

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 89, 116, 178, 356, 377, 607, 754, 1157, 1214, 1508, 2314, 2428, 2581, 4628, 5162, 7891, 10324, 15782, 17603, 31564, 33553, 35206, 54023, 67106, 70412, 108046, 134212, 216092, 228839, 457678, 702299, 915356, 1404598, 1566667, 2809196, 3133334, 6266668, 20366671, 40733342, 81466684]

約数ペア:

[(1, 81466684), (2, 40733342), (4, 20366671), (13, 6266668), (26, 3133334), (29, 2809196), (52, 1566667), (58, 1404598), (89, 915356), (116, 702299), (178, 457678), (356, 228839), (377, 216092), (607, 134212), (754, 108046), (1157, 70412), (1214, 67106), (1508, 54023), (2314, 35206), (2428, 33553), (2581, 31564), (4628, 17603), (5162, 15782), (7891, 10324)]