128128864

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{743}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 268295328

約数和(自身を除く): 140166464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 317, 544, 634, 743, 1268, 1486, 2536, 2972, 5072, 5389, 5944, 10144, 10778, 11888, 12631, 21556, 23776, 25262, 43112, 50524, 86224, 101048, 172448, 202096, 235531, 404192, 471062, 942124, 1884248, 3768496, 4004027, 7536992, 8008054, 16016108, 32032216, 64064432, 128128864]

約数ペア:

[(1, 128128864), (2, 64064432), (4, 32032216), (8, 16016108), (16, 8008054), (17, 7536992), (32, 4004027), (34, 3768496), (68, 1884248), (136, 942124), (272, 471062), (317, 404192), (544, 235531), (634, 202096), (743, 172448), (1268, 101048), (1486, 86224), (2536, 50524), (2972, 43112), (5072, 25262), (5389, 23776), (5944, 21556), (10144, 12631), (10778, 11888)]