128091376

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 296856000

約数和(自身を除く): 168764624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 113, 116, 203, 226, 232, 349, 406, 452, 464, 698, 791, 812, 904, 1396, 1582, 1624, 1808, 2443, 2792, 3164, 3248, 3277, 4886, 5584, 6328, 6554, 9772, 10121, 12656, 13108, 19544, 20242, 22939, 26216, 39088, 39437, 40484, 45878, 52432, 70847, 78874, 80968, 91756, 141694, 157748, 161936, 183512, 276059, 283388, 315496, 367024, 552118, 566776, 630992, 1104236, 1133552, 1143673, 2208472, 2287346, 4416944, 4574692, 8005711, 9149384, 16011422, 18298768, 32022844, 64045688, 128091376]

約数ペア:

[(1, 128091376), (2, 64045688), (4, 32022844), (7, 18298768), (8, 16011422), (14, 9149384), (16, 8005711), (28, 4574692), (29, 4416944), (56, 2287346), (58, 2208472), (112, 1143673), (113, 1133552), (116, 1104236), (203, 630992), (226, 566776), (232, 552118), (349, 367024), (406, 315496), (452, 283388), (464, 276059), (698, 183512), (791, 161936), (812, 157748), (904, 141694), (1396, 91756), (1582, 80968), (1624, 78874), (1808, 70847), (2443, 52432), (2792, 45878), (3164, 40484), (3248, 39437), (3277, 39088), (4886, 26216), (5584, 22939), (6328, 20242), (6554, 19544), (9772, 13108), (10121, 12656)]