28172428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3391}}^1$

素因数の和:3493

約数の個数: 24

約数和(自身を含む): 51666944

約数和(自身を除く): 23494516

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 2077, 3391, 4154, 6782, 8308, 13564, 105121, 210242, 227197, 420484, 454394, 908788, 7043107, 14086214, 28172428]

約数ペア:

[(1, 28172428), (2, 14086214), (4, 7043107), (31, 908788), (62, 454394), (67, 420484), (124, 227197), (134, 210242), (268, 105121), (2077, 13564), (3391, 8308), (4154, 6782)]