639923232

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{39443}}^1$

素因数の和:39482

約数の個数: 72

約数和(自身を含む): 1818999504

約数和(自身を除く): 1179076272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1352, 2028, 2704, 4056, 5408, 8112, 16224, 39443, 78886, 118329, 157772, 236658, 315544, 473316, 512759, 631088, 946632, 1025518, 1262176, 1538277, 1893264, 2051036, 3076554, 3786528, 4102072, 6153108, 6665867, 8204144, 12306216, 13331734, 16408288, 19997601, 24612432, 26663468, 39995202, 49224864, 53326936, 79990404, 106653872, 159980808, 213307744, 319961616, 639923232]

約数ペア:

[(1, 639923232), (2, 319961616), (3, 213307744), (4, 159980808), (6, 106653872), (8, 79990404), (12, 53326936), (13, 49224864), (16, 39995202), (24, 26663468), (26, 24612432), (32, 19997601), (39, 16408288), (48, 13331734), (52, 12306216), (78, 8204144), (96, 6665867), (104, 6153108), (156, 4102072), (169, 3786528), (208, 3076554), (312, 2051036), (338, 1893264), (416, 1538277), (507, 1262176), (624, 1025518), (676, 946632), (1014, 631088), (1248, 512759), (1352, 473316), (2028, 315544), (2704, 236658), (4056, 157772), (5408, 118329), (8112, 78886), (16224, 39443)]