251015384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{3391}}^1$

素因数の和:3903

約数の個数: 32

約数和(自身を含む): 496588800

約数和(自身を除く): 245573416

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 487, 974, 1948, 3391, 3896, 6782, 9253, 13564, 18506, 27128, 37012, 64429, 74024, 128858, 257716, 515432, 1651417, 3302834, 6605668, 13211336, 31376923, 62753846, 125507692, 251015384]

約数ペア:

[(1, 251015384), (2, 125507692), (4, 62753846), (8, 31376923), (19, 13211336), (38, 6605668), (76, 3302834), (152, 1651417), (487, 515432), (974, 257716), (1948, 128858), (3391, 74024), (3896, 64429), (6782, 37012), (9253, 27128), (13564, 18506)]