13898105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 19020960

約数和(自身を除く): 5122855

約数列:

[1, 5, 13, 29, 65, 73, 101, 145, 365, 377, 505, 949, 1313, 1885, 2117, 2929, 4745, 6565, 7373, 10585, 14645, 27521, 36865, 38077, 95849, 137605, 190385, 213817, 479245, 1069085, 2779621, 13898105]

約数ペア:

[(1, 13898105), (5, 2779621), (13, 1069085), (29, 479245), (65, 213817), (73, 190385), (101, 137605), (145, 95849), (365, 38077), (377, 36865), (505, 27521), (949, 14645), (1313, 10585), (1885, 7373), (2117, 6565), (2929, 4745)]