390581152

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{977}}^1$

素因数の和:1062

約数の個数: 72

約数和(自身を含む): 856557828

約数和(自身を除く): 465976676

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 961, 977, 992, 1612, 1922, 1954, 3224, 3844, 3908, 6448, 7688, 7816, 12493, 12701, 12896, 15376, 15632, 24986, 25402, 30287, 30752, 31264, 49972, 50804, 60574, 99944, 101608, 121148, 199888, 203216, 242296, 393731, 399776, 406432, 484592, 787462, 938897, 969184, 1574924, 1877794, 3149848, 3755588, 6299696, 7511176, 12205661, 12599392, 15022352, 24411322, 30044704, 48822644, 97645288, 195290576, 390581152]

約数ペア:

[(1, 390581152), (2, 195290576), (4, 97645288), (8, 48822644), (13, 30044704), (16, 24411322), (26, 15022352), (31, 12599392), (32, 12205661), (52, 7511176), (62, 6299696), (104, 3755588), (124, 3149848), (208, 1877794), (248, 1574924), (403, 969184), (416, 938897), (496, 787462), (806, 484592), (961, 406432), (977, 399776), (992, 393731), (1612, 242296), (1922, 203216), (1954, 199888), (3224, 121148), (3844, 101608), (3908, 99944), (6448, 60574), (7688, 50804), (7816, 49972), (12493, 31264), (12701, 30752), (12896, 30287), (15376, 25402), (15632, 24986)]