28321190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 52301376

約数和(自身を除く): 23980186

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 353, 355, 565, 706, 710, 1130, 1765, 3530, 8023, 16046, 25063, 39889, 40115, 50126, 79778, 80230, 125315, 199445, 250630, 398890, 2832119, 5664238, 14160595, 28321190]

約数ペア:

[(1, 28321190), (2, 14160595), (5, 5664238), (10, 2832119), (71, 398890), (113, 250630), (142, 199445), (226, 125315), (353, 80230), (355, 79778), (565, 50126), (706, 40115), (710, 39889), (1130, 25063), (1765, 16046), (3530, 8023)]