28990239

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7603}}^1$

素因数の和:7678

約数の個数: 16

約数和(自身を含む): 40879104

約数和(自身を除く): 11888865

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 7603, 22809, 235693, 311723, 707079, 935169, 9663413, 28990239]

約数ペア:

[(1, 28990239), (3, 9663413), (31, 935169), (41, 707079), (93, 311723), (123, 235693), (1271, 22809), (3813, 7603)]