281580964

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127297}}^1$

素因数の和:127387

約数の個数: 24

約数和(自身を含む): 570295040

約数和(自身を除く): 288714076

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 127297, 254594, 509188, 891079, 1782158, 3564316, 10056463, 20112926, 40225852, 70395241, 140790482, 281580964]

約数ペア:

[(1, 281580964), (2, 140790482), (4, 70395241), (7, 40225852), (14, 20112926), (28, 10056463), (79, 3564316), (158, 1782158), (316, 891079), (553, 509188), (1106, 254594), (2212, 127297)]