25691116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 26724884

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 79, 158, 209, 316, 389, 418, 778, 836, 869, 1501, 1556, 1738, 3002, 3476, 4279, 6004, 7391, 8558, 14782, 16511, 17116, 29564, 30731, 33022, 61462, 66044, 81301, 122924, 162602, 325204, 338041, 583889, 676082, 1167778, 1352164, 2335556, 6422779, 12845558, 25691116]

約数ペア:

[(1, 25691116), (2, 12845558), (4, 6422779), (11, 2335556), (19, 1352164), (22, 1167778), (38, 676082), (44, 583889), (76, 338041), (79, 325204), (158, 162602), (209, 122924), (316, 81301), (389, 66044), (418, 61462), (778, 33022), (836, 30731), (869, 29564), (1501, 17116), (1556, 16511), (1738, 14782), (3002, 8558), (3476, 7391), (4279, 6004)]