389984756

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{4423}}^1$

素因数の和:4548

約数の個数: 48

約数和(自身を含む): 808636416

約数和(自身を除く): 418651660

約数列:

[1, 2, 4, 7, 14, 28, 47, 67, 94, 134, 188, 268, 329, 469, 658, 938, 1316, 1876, 3149, 4423, 6298, 8846, 12596, 17692, 22043, 30961, 44086, 61922, 88172, 123844, 207881, 296341, 415762, 592682, 831524, 1185364, 1455167, 2074387, 2910334, 4148774, 5820668, 8297548, 13928027, 27856054, 55712108, 97496189, 194992378, 389984756]

約数ペア:

[(1, 389984756), (2, 194992378), (4, 97496189), (7, 55712108), (14, 27856054), (28, 13928027), (47, 8297548), (67, 5820668), (94, 4148774), (134, 2910334), (188, 2074387), (268, 1455167), (329, 1185364), (469, 831524), (658, 592682), (938, 415762), (1316, 296341), (1876, 207881), (3149, 123844), (4423, 88172), (6298, 61922), (8846, 44086), (12596, 30961), (17692, 22043)]