391228578

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^4\times {\mathrm{761}}^1$

素因数の和:821

約数の個数: 60

約数和(自身を含む): 919504638

約数和(自身を除く): 528276060

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 761, 1014, 1521, 1522, 2197, 2283, 3042, 4394, 4566, 6591, 6849, 9893, 13182, 13698, 19773, 19786, 28561, 29679, 39546, 57122, 59358, 85683, 89037, 128609, 171366, 178074, 257049, 257218, 385827, 514098, 771654, 1157481, 1671917, 2314962, 3343834, 5015751, 10031502, 15047253, 21734921, 30094506, 43469842, 65204763, 130409526, 195614289, 391228578]

約数ペア:

[(1, 391228578), (2, 195614289), (3, 130409526), (6, 65204763), (9, 43469842), (13, 30094506), (18, 21734921), (26, 15047253), (39, 10031502), (78, 5015751), (117, 3343834), (169, 2314962), (234, 1671917), (338, 1157481), (507, 771654), (761, 514098), (1014, 385827), (1521, 257218), (1522, 257049), (2197, 178074), (2283, 171366), (3042, 128609), (4394, 89037), (4566, 85683), (6591, 59358), (6849, 57122), (9893, 39546), (13182, 29679), (13698, 28561), (19773, 19786)]