1279897192

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 2978519040

約数和(自身を除く): 1698621848

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 37, 46, 56, 74, 92, 107, 148, 161, 184, 214, 251, 259, 296, 322, 428, 502, 518, 644, 749, 851, 856, 1004, 1036, 1288, 1498, 1702, 1757, 2008, 2072, 2461, 2996, 3404, 3514, 3959, 4922, 5773, 5957, 5992, 6808, 7028, 7918, 9287, 9844, 11546, 11914, 14056, 15836, 17227, 18574, 19688, 23092, 23828, 26857, 27713, 31672, 34454, 37148, 40411, 46184, 47656, 53714, 55426, 65009, 68908, 74296, 80822, 91057, 107428, 110852, 130018, 137816, 161644, 182114, 187999, 213601, 214856, 221704, 260036, 323288, 364228, 375998, 427202, 520072, 617711, 637399, 728456, 751996, 854404, 993709, 1235422, 1274798, 1495207, 1503992, 1708808, 1987418, 2470844, 2549596, 2990414, 3974836, 4323977, 4941688, 5099192, 5980828, 6955963, 7949672, 8647954, 11961656, 13911926, 17295908, 22855307, 27823852, 34591816, 45710614, 55647704, 91421228, 159987149, 182842456, 319974298, 639948596, 1279897192]

約数ペア:

[(1, 1279897192), (2, 639948596), (4, 319974298), (7, 182842456), (8, 159987149), (14, 91421228), (23, 55647704), (28, 45710614), (37, 34591816), (46, 27823852), (56, 22855307), (74, 17295908), (92, 13911926), (107, 11961656), (148, 8647954), (161, 7949672), (184, 6955963), (214, 5980828), (251, 5099192), (259, 4941688), (296, 4323977), (322, 3974836), (428, 2990414), (502, 2549596), (518, 2470844), (644, 1987418), (749, 1708808), (851, 1503992), (856, 1495207), (1004, 1274798), (1036, 1235422), (1288, 993709), (1498, 854404), (1702, 751996), (1757, 728456), (2008, 637399), (2072, 617711), (2461, 520072), (2996, 427202), (3404, 375998), (3514, 364228), (3959, 323288), (4922, 260036), (5773, 221704), (5957, 214856), (5992, 213601), (6808, 187999), (7028, 182114), (7918, 161644), (9287, 137816), (9844, 130018), (11546, 110852), (11914, 107428), (14056, 91057), (15836, 80822), (17227, 74296), (18574, 68908), (19688, 65009), (23092, 55426), (23828, 53714), (26857, 47656), (27713, 46184), (31672, 40411), (34454, 37148)]