40745978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1709}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 75841920

約数和(自身を除く): 35095942

約数列:

[1, 2, 7, 13, 14, 26, 91, 131, 182, 262, 917, 1703, 1709, 1834, 3406, 3418, 11921, 11963, 22217, 23842, 23926, 44434, 155519, 223879, 311038, 447758, 1567153, 2910427, 3134306, 5820854, 20372989, 40745978]

約数ペア:

[(1, 40745978), (2, 20372989), (7, 5820854), (13, 3134306), (14, 2910427), (26, 1567153), (91, 447758), (131, 311038), (182, 223879), (262, 155519), (917, 44434), (1703, 23926), (1709, 23842), (1834, 22217), (3406, 11963), (3418, 11921)]