25266488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 30617032

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 461, 527, 806, 884, 922, 1054, 1612, 1768, 1844, 2108, 3224, 3688, 4216, 5993, 6851, 7837, 11986, 13702, 14291, 15674, 23972, 27404, 28582, 31348, 47944, 54808, 57164, 62696, 101881, 114328, 185783, 203762, 242947, 371566, 407524, 485894, 743132, 815048, 971788, 1486264, 1943576, 3158311, 6316622, 12633244, 25266488]

約数ペア:

[(1, 25266488), (2, 12633244), (4, 6316622), (8, 3158311), (13, 1943576), (17, 1486264), (26, 971788), (31, 815048), (34, 743132), (52, 485894), (62, 407524), (68, 371566), (104, 242947), (124, 203762), (136, 185783), (221, 114328), (248, 101881), (403, 62696), (442, 57164), (461, 54808), (527, 47944), (806, 31348), (884, 28582), (922, 27404), (1054, 23972), (1612, 15674), (1768, 14291), (1844, 13702), (2108, 11986), (3224, 7837), (3688, 6851), (4216, 5993)]