128307508

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 262289664

約数和(自身を除く): 133982156

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 233, 277, 284, 466, 497, 554, 932, 994, 1108, 1631, 1939, 1988, 3262, 3878, 6524, 7756, 16543, 19667, 33086, 39334, 64541, 66172, 78668, 115801, 129082, 137669, 231602, 258164, 275338, 451787, 463204, 550676, 903574, 1807148, 4582411, 9164822, 18329644, 32076877, 64153754, 128307508]

約数ペア:

[(1, 128307508), (2, 64153754), (4, 32076877), (7, 18329644), (14, 9164822), (28, 4582411), (71, 1807148), (142, 903574), (233, 550676), (277, 463204), (284, 451787), (466, 275338), (497, 258164), (554, 231602), (932, 137669), (994, 129082), (1108, 115801), (1631, 78668), (1939, 66172), (1988, 64541), (3262, 39334), (3878, 33086), (6524, 19667), (7756, 16543)]