40394578

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 72668160

約数和(自身を除く): 32273582

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 331, 379, 662, 758, 2317, 2653, 4634, 5306, 7613, 8717, 15226, 17434, 53291, 61019, 106582, 122038, 125449, 250898, 878143, 1756286, 2885327, 5770654, 20197289, 40394578]

約数ペア:

[(1, 40394578), (2, 20197289), (7, 5770654), (14, 2885327), (23, 1756286), (46, 878143), (161, 250898), (322, 125449), (331, 122038), (379, 106582), (662, 61019), (758, 53291), (2317, 17434), (2653, 15226), (4634, 8717), (5306, 7613)]