887404581968

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{1237}}^1\times {\mathrm{1459}}^1$

素因数の和:3172

約数の個数: 80

約数和(自身を含む): 1748194656000

約数和(自身を除く): 860790074032

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 389, 632, 778, 1237, 1264, 1459, 1556, 2474, 2918, 3112, 4948, 5836, 6224, 9896, 11672, 19792, 23344, 30731, 61462, 97723, 115261, 122924, 195446, 230522, 245848, 390892, 461044, 481193, 491696, 567551, 781784, 922088, 962386, 1135102, 1563568, 1804783, 1844176, 1924772, 2270204, 3609566, 3849544, 4540408, 7219132, 7699088, 9080816, 14438264, 28876528, 38014247, 44836529, 76028494, 89673058, 142577857, 152056988, 179346116, 285155714, 304113976, 358692232, 570311428, 608227952, 702060587, 717384464, 1140622856, 1404121174, 2281245712, 2808242348, 5616484696, 11232969392, 55462786373, 110925572746, 221851145492, 443702290984, 887404581968]

約数ペア:

[(1, 887404581968), (2, 443702290984), (4, 221851145492), (8, 110925572746), (16, 55462786373), (79, 11232969392), (158, 5616484696), (316, 2808242348), (389, 2281245712), (632, 1404121174), (778, 1140622856), (1237, 717384464), (1264, 702060587), (1459, 608227952), (1556, 570311428), (2474, 358692232), (2918, 304113976), (3112, 285155714), (4948, 179346116), (5836, 152056988), (6224, 142577857), (9896, 89673058), (11672, 76028494), (19792, 44836529), (23344, 38014247), (30731, 28876528), (61462, 14438264), (97723, 9080816), (115261, 7699088), (122924, 7219132), (195446, 4540408), (230522, 3849544), (245848, 3609566), (390892, 2270204), (461044, 1924772), (481193, 1844176), (491696, 1804783), (567551, 1563568), (781784, 1135102), (922088, 962386)]