91417820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7481}}^1$

素因数の和:7550

約数の個数: 48

約数和(自身を含む): 211171968

約数和(自身を除く): 119754148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 7481, 12220, 14962, 29924, 37405, 74810, 97253, 149620, 194506, 351607, 389012, 486265, 703214, 972530, 1406428, 1758035, 1945060, 3516070, 4570891, 7032140, 9141782, 18283564, 22854455, 45708910, 91417820]

約数ペア:

[(1, 91417820), (2, 45708910), (4, 22854455), (5, 18283564), (10, 9141782), (13, 7032140), (20, 4570891), (26, 3516070), (47, 1945060), (52, 1758035), (65, 1406428), (94, 972530), (130, 703214), (188, 486265), (235, 389012), (260, 351607), (470, 194506), (611, 149620), (940, 97253), (1222, 74810), (2444, 37405), (3055, 29924), (6110, 14962), (7481, 12220)]