256636848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13267}}^1$

素因数の和:13322

約数の個数: 80

約数和(自身を含む): 737063936

約数和(自身を除く): 480427088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 13267, 19344, 26534, 39801, 53068, 79602, 106136, 159204, 172471, 212272, 318408, 344942, 411277, 517413, 636816, 689884, 822554, 1034826, 1233831, 1379768, 1645108, 2069652, 2467662, 2759536, 3290216, 4139304, 4935324, 5346601, 6580432, 8278608, 9870648, 10693202, 16039803, 19741296, 21386404, 32079606, 42772808, 64159212, 85545616, 128318424, 256636848]

約数ペア:

[(1, 256636848), (2, 128318424), (3, 85545616), (4, 64159212), (6, 42772808), (8, 32079606), (12, 21386404), (13, 19741296), (16, 16039803), (24, 10693202), (26, 9870648), (31, 8278608), (39, 6580432), (48, 5346601), (52, 4935324), (62, 4139304), (78, 3290216), (93, 2759536), (104, 2467662), (124, 2069652), (156, 1645108), (186, 1379768), (208, 1233831), (248, 1034826), (312, 822554), (372, 689884), (403, 636816), (496, 517413), (624, 411277), (744, 344942), (806, 318408), (1209, 212272), (1488, 172471), (1612, 159204), (2418, 106136), (3224, 79602), (4836, 53068), (6448, 39801), (9672, 26534), (13267, 19344)]