25198784

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1033

約数の個数: 56

約数和(自身を含む): 55644288

約数和(自身を除く): 30445504

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 977, 992, 1612, 1954, 1984, 3224, 3908, 6448, 7816, 12701, 12896, 15632, 25402, 25792, 30287, 31264, 50804, 60574, 62528, 101608, 121148, 203216, 242296, 393731, 406432, 484592, 787462, 812864, 969184, 1574924, 1938368, 3149848, 6299696, 12599392, 25198784]

約数ペア:

[(1, 25198784), (2, 12599392), (4, 6299696), (8, 3149848), (13, 1938368), (16, 1574924), (26, 969184), (31, 812864), (32, 787462), (52, 484592), (62, 406432), (64, 393731), (104, 242296), (124, 203216), (208, 121148), (248, 101608), (403, 62528), (416, 60574), (496, 50804), (806, 31264), (832, 30287), (977, 25792), (992, 25402), (1612, 15632), (1954, 12896), (1984, 12701), (3224, 7816), (3908, 6448)]