131220265

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{2437}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 175097160

約数和(自身を除く): 43876895

約数列:

[1, 5, 11, 55, 89, 121, 445, 605, 979, 2437, 4895, 10769, 12185, 26807, 53845, 134035, 216893, 294877, 1084465, 1474385, 2385823, 11929115, 26244053, 131220265]

約数ペア:

[(1, 131220265), (5, 26244053), (11, 11929115), (55, 2385823), (89, 1474385), (121, 1084465), (445, 294877), (605, 216893), (979, 134035), (2437, 53845), (4895, 26807), (10769, 12185)]