281355776

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1103

約数の個数: 80

約数和(自身を含む): 620772768

約数和(自身を除く): 339416992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 256, 328, 416, 512, 533, 656, 832, 1031, 1066, 1312, 1664, 2062, 2132, 2624, 3328, 4124, 4264, 5248, 6656, 8248, 8528, 10496, 13403, 16496, 17056, 20992, 26806, 32992, 34112, 42271, 53612, 65984, 68224, 84542, 107224, 131968, 136448, 169084, 214448, 263936, 272896, 338168, 428896, 527872, 549523, 676336, 857792, 1099046, 1352672, 1715584, 2198092, 2705344, 3431168, 4396184, 5410688, 6862336, 8792368, 10821376, 17584736, 21642752, 35169472, 70338944, 140677888, 281355776]

約数ペア:

[(1, 281355776), (2, 140677888), (4, 70338944), (8, 35169472), (13, 21642752), (16, 17584736), (26, 10821376), (32, 8792368), (41, 6862336), (52, 5410688), (64, 4396184), (82, 3431168), (104, 2705344), (128, 2198092), (164, 1715584), (208, 1352672), (256, 1099046), (328, 857792), (416, 676336), (512, 549523), (533, 527872), (656, 428896), (832, 338168), (1031, 272896), (1066, 263936), (1312, 214448), (1664, 169084), (2062, 136448), (2132, 131968), (2624, 107224), (3328, 84542), (4124, 68224), (4264, 65984), (5248, 53612), (6656, 42271), (8248, 34112), (8528, 32992), (10496, 26806), (13403, 20992), (16496, 17056)]