201219148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{21379}}^1$

素因数の和:21577

約数の個数: 24

約数和(自身を含む): 381333680

約数和(自身を除く): 180114532

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2353, 4706, 9412, 21379, 42758, 85516, 277927, 555854, 1111708, 3869599, 7739198, 15478396, 50304787, 100609574, 201219148]

約数ペア:

[(1, 201219148), (2, 100609574), (4, 50304787), (13, 15478396), (26, 7739198), (52, 3869599), (181, 1111708), (362, 555854), (724, 277927), (2353, 85516), (4706, 42758), (9412, 21379)]