81642530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1181}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 152506368

約数和(自身を除く): 70863838

約数列:

[1, 2, 5, 10, 31, 62, 155, 223, 310, 446, 1115, 1181, 2230, 2362, 5905, 6913, 11810, 13826, 34565, 36611, 69130, 73222, 183055, 263363, 366110, 526726, 1316815, 2633630, 8164253, 16328506, 40821265, 81642530]

約数ペア:

[(1, 81642530), (2, 40821265), (5, 16328506), (10, 8164253), (31, 2633630), (62, 1316815), (155, 526726), (223, 366110), (310, 263363), (446, 183055), (1115, 73222), (1181, 69130), (2230, 36611), (2362, 34565), (5905, 13826), (6913, 11810)]