1661394176

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7451}}^1$

素因数の和:7547

約数の個数: 72

約数和(自身を含む): 3625189344

約数和(自身を除く): 1963795168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 536, 832, 871, 1072, 1664, 1742, 2144, 3328, 3484, 4288, 6968, 7451, 8576, 13936, 14902, 17152, 27872, 29804, 55744, 59608, 96863, 111488, 119216, 193726, 222976, 238432, 387452, 476864, 499217, 774904, 953728, 998434, 1549808, 1907456, 1996868, 3099616, 3993736, 6199232, 6489821, 7987472, 12398464, 12979642, 15974944, 24796928, 25959284, 31949888, 51918568, 63899776, 103837136, 127799552, 207674272, 415348544, 830697088, 1661394176]

約数ペア:

[(1, 1661394176), (2, 830697088), (4, 415348544), (8, 207674272), (13, 127799552), (16, 103837136), (26, 63899776), (32, 51918568), (52, 31949888), (64, 25959284), (67, 24796928), (104, 15974944), (128, 12979642), (134, 12398464), (208, 7987472), (256, 6489821), (268, 6199232), (416, 3993736), (536, 3099616), (832, 1996868), (871, 1907456), (1072, 1549808), (1664, 998434), (1742, 953728), (2144, 774904), (3328, 499217), (3484, 476864), (4288, 387452), (6968, 238432), (7451, 222976), (8576, 193726), (13936, 119216), (14902, 111488), (17152, 96863), (27872, 59608), (29804, 55744)]