138767915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 196523712

約数和(自身を除く): 57755797

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 461, 715, 2105, 2305, 4631, 5071, 5473, 5993, 23155, 25355, 27365, 29965, 60203, 65923, 194081, 301015, 329615, 970405, 2134891, 2523053, 10674455, 12615265, 27753583, 138767915]

約数ペア:

[(1, 138767915), (5, 27753583), (11, 12615265), (13, 10674455), (55, 2523053), (65, 2134891), (143, 970405), (421, 329615), (461, 301015), (715, 194081), (2105, 65923), (2305, 60203), (4631, 29965), (5071, 27365), (5473, 25355), (5993, 23155)]