31371256

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 42172424

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 868, 952, 1054, 1063, 1736, 2108, 2126, 3689, 4216, 4252, 7378, 7441, 8504, 14756, 14882, 18071, 29512, 29764, 32953, 36142, 59528, 65906, 72284, 126497, 131812, 144568, 230671, 252994, 263624, 461342, 505988, 560201, 922684, 1011976, 1120402, 1845368, 2240804, 3921407, 4481608, 7842814, 15685628, 31371256]

約数ペア:

[(1, 31371256), (2, 15685628), (4, 7842814), (7, 4481608), (8, 3921407), (14, 2240804), (17, 1845368), (28, 1120402), (31, 1011976), (34, 922684), (56, 560201), (62, 505988), (68, 461342), (119, 263624), (124, 252994), (136, 230671), (217, 144568), (238, 131812), (248, 126497), (434, 72284), (476, 65906), (527, 59528), (868, 36142), (952, 32953), (1054, 29764), (1063, 29512), (1736, 18071), (2108, 14882), (2126, 14756), (3689, 8504), (4216, 7441), (4252, 7378)]