31138772

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{20983}}^1$

素因数の和:21047

約数の個数: 24

約数和(自身を含む): 63455616

約数和(自身を除く): 32316844

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 20983, 41966, 83932, 146881, 293762, 587524, 1112099, 2224198, 4448396, 7784693, 15569386, 31138772]

約数ペア:

[(1, 31138772), (2, 15569386), (4, 7784693), (7, 4448396), (14, 2224198), (28, 1112099), (53, 587524), (106, 293762), (212, 146881), (371, 83932), (742, 41966), (1484, 20983)]