90531256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4789}}^1$

素因数の和:4951

約数の個数: 32

約数和(自身を含む): 181062000

約数和(自身を除く): 90530744

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 4789, 9452, 9578, 18904, 19156, 38312, 81413, 162826, 325652, 651304, 665671, 1331342, 2662684, 5325368, 11316407, 22632814, 45265628, 90531256]

約数ペア:

[(1, 90531256), (2, 45265628), (4, 22632814), (8, 11316407), (17, 5325368), (34, 2662684), (68, 1331342), (136, 665671), (139, 651304), (278, 325652), (556, 162826), (1112, 81413), (2363, 38312), (4726, 19156), (4789, 18904), (9452, 9578)]