40477912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 77490000

約数和(自身を除く): 37012088

約数列:

[1, 2, 4, 8, 89, 139, 178, 278, 356, 409, 556, 712, 818, 1112, 1636, 3272, 12371, 24742, 36401, 49484, 56851, 72802, 98968, 113702, 145604, 227404, 291208, 454808, 5059739, 10119478, 20238956, 40477912]

約数ペア:

[(1, 40477912), (2, 20238956), (4, 10119478), (8, 5059739), (89, 454808), (139, 291208), (178, 227404), (278, 145604), (356, 113702), (409, 98968), (556, 72802), (712, 56851), (818, 49484), (1112, 36401), (1636, 24742), (3272, 12371)]