128113916

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 265767936

約数和(自身を除く): 137654020

約数列:

[1, 2, 4, 7, 14, 28, 47, 67, 94, 134, 188, 268, 329, 469, 658, 938, 1316, 1453, 1876, 2906, 3149, 5812, 6298, 10171, 12596, 20342, 22043, 40684, 44086, 68291, 88172, 97351, 136582, 194702, 273164, 389404, 478037, 681457, 956074, 1362914, 1912148, 2725828, 4575497, 9150994, 18301988, 32028479, 64056958, 128113916]

約数ペア:

[(1, 128113916), (2, 64056958), (4, 32028479), (7, 18301988), (14, 9150994), (28, 4575497), (47, 2725828), (67, 1912148), (94, 1362914), (134, 956074), (188, 681457), (268, 478037), (329, 389404), (469, 273164), (658, 194702), (938, 136582), (1316, 97351), (1453, 88172), (1876, 68291), (2906, 44086), (3149, 40684), (5812, 22043), (6298, 20342), (10171, 12596)]