289360926

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 638977248

約数和(自身を除く): 349616322

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 257, 426, 514, 639, 771, 881, 1278, 1542, 1762, 2313, 2643, 4626, 5286, 7929, 15858, 18247, 36494, 54741, 62551, 109482, 125102, 164223, 187653, 226417, 328446, 375306, 452834, 562959, 679251, 1125918, 1358502, 2037753, 4075506, 16075607, 32151214, 48226821, 96453642, 144680463, 289360926]

約数ペア:

[(1, 289360926), (2, 144680463), (3, 96453642), (6, 48226821), (9, 32151214), (18, 16075607), (71, 4075506), (142, 2037753), (213, 1358502), (257, 1125918), (426, 679251), (514, 562959), (639, 452834), (771, 375306), (881, 328446), (1278, 226417), (1542, 187653), (1762, 164223), (2313, 125102), (2643, 109482), (4626, 62551), (5286, 54741), (7929, 36494), (15858, 18247)]