128963856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{383821}}^1$

素因数の和:383839

約数の個数: 40

約数和(自身を含む): 380751424

約数和(自身を除く): 251787568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 383821, 767642, 1151463, 1535284, 2302926, 2686747, 3070568, 4605852, 5373494, 6141136, 8060241, 9211704, 10746988, 16120482, 18423408, 21493976, 32240964, 42987952, 64481928, 128963856]

約数ペア:

[(1, 128963856), (2, 64481928), (3, 42987952), (4, 32240964), (6, 21493976), (7, 18423408), (8, 16120482), (12, 10746988), (14, 9211704), (16, 8060241), (21, 6141136), (24, 5373494), (28, 4605852), (42, 3070568), (48, 2686747), (56, 2302926), (84, 1535284), (112, 1151463), (168, 767642), (336, 383821)]