1311538696

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 2704060800

約数和(自身を除く): 1392522104

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 169, 284, 338, 568, 676, 923, 1051, 1352, 1846, 2102, 2197, 3692, 4204, 4394, 7384, 8408, 8788, 11999, 13663, 17576, 23998, 27326, 47996, 54652, 74621, 95992, 109304, 149242, 155987, 177619, 298484, 311974, 355238, 596968, 623948, 710476, 970073, 1247896, 1420952, 1940146, 2309047, 3880292, 4618094, 7760584, 9236188, 12610949, 18472376, 25221898, 50443796, 100887592, 163942337, 327884674, 655769348, 1311538696]

約数ペア:

[(1, 1311538696), (2, 655769348), (4, 327884674), (8, 163942337), (13, 100887592), (26, 50443796), (52, 25221898), (71, 18472376), (104, 12610949), (142, 9236188), (169, 7760584), (284, 4618094), (338, 3880292), (568, 2309047), (676, 1940146), (923, 1420952), (1051, 1247896), (1352, 970073), (1846, 710476), (2102, 623948), (2197, 596968), (3692, 355238), (4204, 311974), (4394, 298484), (7384, 177619), (8408, 155987), (8788, 149242), (11999, 109304), (13663, 95992), (17576, 74621), (23998, 54652), (27326, 47996)]