157077775

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 209095744

約数和(自身を除く): 52017969

約数列:

[1, 5, 25, 29, 31, 145, 155, 241, 725, 775, 841, 899, 1205, 4205, 4495, 6025, 6989, 7471, 21025, 22475, 26071, 34945, 37355, 130355, 174725, 186775, 202681, 216659, 651775, 1013405, 1083295, 5067025, 5416475, 6283111, 31415555, 157077775]

約数ペア:

[(1, 157077775), (5, 31415555), (25, 6283111), (29, 5416475), (31, 5067025), (145, 1083295), (155, 1013405), (241, 651775), (725, 216659), (775, 202681), (841, 186775), (899, 174725), (1205, 130355), (4205, 37355), (4495, 34945), (6025, 26071), (6989, 22475), (7471, 21025)]