987343816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 2216160000

約数和(自身を除く): 1228816184

約数列:

[1, 2, 4, 8, 17, 19, 23, 34, 37, 38, 46, 68, 74, 76, 92, 136, 148, 152, 184, 296, 323, 391, 437, 449, 629, 646, 703, 782, 851, 874, 898, 1258, 1292, 1406, 1564, 1702, 1748, 1796, 2516, 2584, 2812, 3128, 3404, 3496, 3592, 5032, 5624, 6808, 7429, 7633, 8531, 10327, 11951, 14467, 14858, 15266, 16169, 16613, 17062, 20654, 23902, 28934, 29716, 30532, 32338, 33226, 34124, 41308, 47804, 57868, 59432, 61064, 64676, 66452, 68248, 82616, 95608, 115736, 129352, 132904, 145027, 175559, 196213, 274873, 282421, 290054, 315647, 351118, 382099, 392426, 549746, 564842, 580108, 631294, 702236, 764198, 784852, 1099492, 1129684, 1160216, 1262588, 1404472, 1528396, 1569704, 2198984, 2259368, 2525176, 3056792, 3335621, 5365999, 6495683, 6671242, 7259881, 10731998, 12991366, 13342484, 14519762, 21463996, 25982732, 26684968, 29039524, 42927992, 51965464, 58079048, 123417977, 246835954, 493671908, 987343816]

約数ペア:

[(1, 987343816), (2, 493671908), (4, 246835954), (8, 123417977), (17, 58079048), (19, 51965464), (23, 42927992), (34, 29039524), (37, 26684968), (38, 25982732), (46, 21463996), (68, 14519762), (74, 13342484), (76, 12991366), (92, 10731998), (136, 7259881), (148, 6671242), (152, 6495683), (184, 5365999), (296, 3335621), (323, 3056792), (391, 2525176), (437, 2259368), (449, 2198984), (629, 1569704), (646, 1528396), (703, 1404472), (782, 1262588), (851, 1160216), (874, 1129684), (898, 1099492), (1258, 784852), (1292, 764198), (1406, 702236), (1564, 631294), (1702, 580108), (1748, 564842), (1796, 549746), (2516, 392426), (2584, 382099), (2812, 351118), (3128, 315647), (3404, 290054), (3496, 282421), (3592, 274873), (5032, 196213), (5624, 175559), (6808, 145027), (7429, 132904), (7633, 129352), (8531, 115736), (10327, 95608), (11951, 82616), (14467, 68248), (14858, 66452), (15266, 64676), (16169, 61064), (16613, 59432), (17062, 57868), (20654, 47804), (23902, 41308), (28934, 34124), (29716, 33226), (30532, 32338)]