689424128

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 1435378560

約数和(自身を除く): 745954432

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 109, 124, 128, 218, 248, 256, 436, 496, 797, 872, 992, 1594, 1744, 1984, 3188, 3379, 3488, 3968, 6376, 6758, 6976, 7936, 12752, 13516, 13952, 24707, 25504, 27032, 27904, 49414, 51008, 54064, 86873, 98828, 102016, 108128, 173746, 197656, 204032, 216256, 347492, 395312, 432512, 694984, 790624, 865024, 1389968, 1581248, 2693063, 2779936, 3162496, 5386126, 5559872, 6324992, 10772252, 11119744, 21544504, 22239488, 43089008, 86178016, 172356032, 344712064, 689424128]

約数ペア:

[(1, 689424128), (2, 344712064), (4, 172356032), (8, 86178016), (16, 43089008), (31, 22239488), (32, 21544504), (62, 11119744), (64, 10772252), (109, 6324992), (124, 5559872), (128, 5386126), (218, 3162496), (248, 2779936), (256, 2693063), (436, 1581248), (496, 1389968), (797, 865024), (872, 790624), (992, 694984), (1594, 432512), (1744, 395312), (1984, 347492), (3188, 216256), (3379, 204032), (3488, 197656), (3968, 173746), (6376, 108128), (6758, 102016), (6976, 98828), (7936, 86873), (12752, 54064), (13516, 51008), (13952, 49414), (24707, 27904), (25504, 27032)]