259268515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{4243}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 345444624

約数和(自身を除く): 86176109

約数列:

[1, 5, 11, 55, 101, 121, 505, 605, 1111, 4243, 5555, 12221, 21215, 46673, 61105, 233365, 428543, 513403, 2142715, 2567015, 4713973, 23569865, 51853703, 259268515]

約数ペア:

[(1, 259268515), (5, 51853703), (11, 23569865), (55, 4713973), (101, 2567015), (121, 2142715), (505, 513403), (605, 428543), (1111, 233365), (4243, 61105), (5555, 46673), (12221, 21215)]