128657412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274909}}^1$

素因数の和:274932

約数の個数: 36

約数和(自身を含む): 350235340

約数和(自身を除く): 221577928

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 274909, 549818, 824727, 1099636, 1649454, 2474181, 3298908, 3573817, 4948362, 7147634, 9896724, 10721451, 14295268, 21442902, 32164353, 42885804, 64328706, 128657412]

約数ペア:

[(1, 128657412), (2, 64328706), (3, 42885804), (4, 32164353), (6, 21442902), (9, 14295268), (12, 10721451), (13, 9896724), (18, 7147634), (26, 4948362), (36, 3573817), (39, 3298908), (52, 2474181), (78, 1649454), (117, 1099636), (156, 824727), (234, 549818), (468, 274909)]