128511284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{25847}}^1$

素因数の和:25975

約数の個数: 24

約数和(自身を含む): 247520448

約数和(自身を除く): 119009164

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4972, 25847, 51694, 103388, 284317, 568634, 1137268, 2920711, 5841422, 11682844, 32127821, 64255642, 128511284]

約数ペア:

[(1, 128511284), (2, 64255642), (4, 32127821), (11, 11682844), (22, 5841422), (44, 2920711), (113, 1137268), (226, 568634), (452, 284317), (1243, 103388), (2486, 51694), (4972, 25847)]