128383456

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12467

約数の個数: 48

約数和(自身を含む): 281730960

約数和(自身を除く): 153347504

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2584, 5168, 10336, 12421, 24842, 49684, 99368, 198736, 211157, 235999, 397472, 422314, 471998, 844628, 943996, 1689256, 1887992, 3378512, 3775984, 4011983, 6757024, 7551968, 8023966, 16047932, 32095864, 64191728, 128383456]

約数ペア:

[(1, 128383456), (2, 64191728), (4, 32095864), (8, 16047932), (16, 8023966), (17, 7551968), (19, 6757024), (32, 4011983), (34, 3775984), (38, 3378512), (68, 1887992), (76, 1689256), (136, 943996), (152, 844628), (272, 471998), (304, 422314), (323, 397472), (544, 235999), (608, 211157), (646, 198736), (1292, 99368), (2584, 49684), (5168, 24842), (10336, 12421)]