1639016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 3326400

約数和(自身を除く): 1687384

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 263, 328, 526, 779, 1052, 1558, 2104, 3116, 4997, 6232, 9994, 10783, 19988, 21566, 39976, 43132, 86264, 204877, 409754, 819508, 1639016]

約数ペア:

[(1, 1639016), (2, 819508), (4, 409754), (8, 204877), (19, 86264), (38, 43132), (41, 39976), (76, 21566), (82, 19988), (152, 10783), (164, 9994), (263, 6232), (328, 4997), (526, 3116), (779, 2104), (1052, 1558)]