257894784

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{31981}}^1$

素因数の和:32008

約数の個数: 96

約数和(自身を含む): 848162640

約数和(自身を除く): 590267856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2688, 4032, 8064, 31981, 63962, 95943, 127924, 191886, 223867, 255848, 287829, 383772, 447734, 511696, 575658, 671601, 767544, 895468, 1023392, 1151316, 1343202, 1535088, 1790936, 2014803, 2046784, 2302632, 2686404, 3070176, 3581872, 4029606, 4093568, 4605264, 5372808, 6140352, 7163744, 8059212, 9210528, 10745616, 12280704, 14327488, 16118424, 18421056, 21491232, 28654976, 32236848, 36842112, 42982464, 64473696, 85964928, 128947392, 257894784]

約数ペア:

[(1, 257894784), (2, 128947392), (3, 85964928), (4, 64473696), (6, 42982464), (7, 36842112), (8, 32236848), (9, 28654976), (12, 21491232), (14, 18421056), (16, 16118424), (18, 14327488), (21, 12280704), (24, 10745616), (28, 9210528), (32, 8059212), (36, 7163744), (42, 6140352), (48, 5372808), (56, 4605264), (63, 4093568), (64, 4029606), (72, 3581872), (84, 3070176), (96, 2686404), (112, 2302632), (126, 2046784), (128, 2014803), (144, 1790936), (168, 1535088), (192, 1343202), (224, 1151316), (252, 1023392), (288, 895468), (336, 767544), (384, 671601), (448, 575658), (504, 511696), (576, 447734), (672, 383772), (896, 287829), (1008, 255848), (1152, 223867), (1344, 191886), (2016, 127924), (2688, 95943), (4032, 63962), (8064, 31981)]