139509916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{787}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 301482496

約数和(自身を除く): 161972580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 487, 787, 974, 1574, 1948, 3148, 3409, 5509, 6331, 6818, 10231, 11018, 12662, 13636, 20462, 22036, 25324, 40924, 44317, 71617, 88634, 143234, 177268, 286468, 383269, 766538, 1533076, 2682883, 4982497, 5365766, 9964994, 10731532, 19929988, 34877479, 69754958, 139509916]

約数ペア:

[(1, 139509916), (2, 69754958), (4, 34877479), (7, 19929988), (13, 10731532), (14, 9964994), (26, 5365766), (28, 4982497), (52, 2682883), (91, 1533076), (182, 766538), (364, 383269), (487, 286468), (787, 177268), (974, 143234), (1574, 88634), (1948, 71617), (3148, 44317), (3409, 40924), (5509, 25324), (6331, 22036), (6818, 20462), (10231, 13636), (11018, 12662)]