64988464

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{9931}}^1$

素因数の和:10348

約数の個数: 20

約数和(自身を含む): 126235720

約数和(自身を除く): 61247256

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 9931, 19862, 39724, 79448, 158896, 4061779, 8123558, 16247116, 32494232, 64988464]

約数ペア:

[(1, 64988464), (2, 32494232), (4, 16247116), (8, 8123558), (16, 4061779), (409, 158896), (818, 79448), (1636, 39724), (3272, 19862), (6544, 9931)]