138565970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{1009}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 258301440

約数和(自身を除く): 119735470

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 443, 886, 1009, 2018, 2215, 4430, 5045, 10090, 13733, 27466, 31279, 62558, 68665, 137330, 156395, 312790, 446987, 893974, 2234935, 4469870, 13856597, 27713194, 69282985, 138565970]

約数ペア:

[(1, 138565970), (2, 69282985), (5, 27713194), (10, 13856597), (31, 4469870), (62, 2234935), (155, 893974), (310, 446987), (443, 312790), (886, 156395), (1009, 137330), (2018, 68665), (2215, 62558), (4430, 31279), (5045, 27466), (10090, 13733)]