128790832

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 254448000

約数和(自身を除く): 125657168

約数列:

[1, 2, 4, 8, 16, 89, 149, 178, 298, 356, 596, 607, 712, 1192, 1214, 1424, 2384, 2428, 4856, 9712, 13261, 26522, 53044, 54023, 90443, 106088, 108046, 180886, 212176, 216092, 361772, 432184, 723544, 864368, 1447088, 8049427, 16098854, 32197708, 64395416, 128790832]

約数ペア:

[(1, 128790832), (2, 64395416), (4, 32197708), (8, 16098854), (16, 8049427), (89, 1447088), (149, 864368), (178, 723544), (298, 432184), (356, 361772), (596, 216092), (607, 212176), (712, 180886), (1192, 108046), (1214, 106088), (1424, 90443), (2384, 54023), (2428, 53044), (4856, 26522), (9712, 13261)]