388645822

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 613324800

約数和(自身を除く): 224678978

約数列:

[1, 2, 31, 62, 109, 131, 218, 262, 439, 878, 3379, 4061, 6758, 8122, 13609, 14279, 27218, 28558, 47851, 57509, 95702, 115018, 442649, 885298, 1483381, 1782779, 2966762, 3565558, 6268481, 12536962, 194322911, 388645822]

約数ペア:

[(1, 388645822), (2, 194322911), (31, 12536962), (62, 6268481), (109, 3565558), (131, 2966762), (218, 1782779), (262, 1483381), (439, 885298), (878, 442649), (3379, 115018), (4061, 95702), (6758, 57509), (8122, 47851), (13609, 28558), (14279, 27218)]