1279707856

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1933}}^1$

素因数の和:2228

約数の個数: 80

約数和(自身を含む): 2969881344

約数和(自身を除く): 1690173488

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 257, 322, 368, 514, 644, 1028, 1288, 1799, 1933, 2056, 2576, 3598, 3866, 4112, 5911, 7196, 7732, 11822, 13531, 14392, 15464, 23644, 27062, 28784, 30928, 41377, 44459, 47288, 54124, 82754, 88918, 94576, 108248, 165508, 177836, 216496, 311213, 331016, 355672, 496781, 622426, 662032, 711344, 993562, 1244852, 1987124, 2489704, 3477467, 3974248, 4979408, 6954934, 7948496, 11425963, 13909868, 22851926, 27819736, 45703852, 55639472, 79981741, 91407704, 159963482, 182815408, 319926964, 639853928, 1279707856]

約数ペア:

[(1, 1279707856), (2, 639853928), (4, 319926964), (7, 182815408), (8, 159963482), (14, 91407704), (16, 79981741), (23, 55639472), (28, 45703852), (46, 27819736), (56, 22851926), (92, 13909868), (112, 11425963), (161, 7948496), (184, 6954934), (257, 4979408), (322, 3974248), (368, 3477467), (514, 2489704), (644, 1987124), (1028, 1244852), (1288, 993562), (1799, 711344), (1933, 662032), (2056, 622426), (2576, 496781), (3598, 355672), (3866, 331016), (4112, 311213), (5911, 216496), (7196, 177836), (7732, 165508), (11822, 108248), (13531, 94576), (14392, 88918), (15464, 82754), (23644, 54124), (27062, 47288), (28784, 44459), (30928, 41377)]