15691171972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1\times {\mathrm{20261}}^1$

素因数の和:21916

約数の個数: 48

約数和(自身を含む): 33250428288

約数和(自身を除く): 17559256316

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 1627, 3254, 6508, 11389, 20261, 22778, 27659, 40522, 45556, 55318, 81044, 110636, 141827, 193613, 283654, 344437, 387226, 567308, 688874, 774452, 1377748, 2411059, 4822118, 9644236, 32964647, 65929294, 131858588, 230752529, 461505058, 560398999, 923010116, 1120797998, 2241595996, 3922792993, 7845585986, 15691171972]

約数ペア:

[(1, 15691171972), (2, 7845585986), (4, 3922792993), (7, 2241595996), (14, 1120797998), (17, 923010116), (28, 560398999), (34, 461505058), (68, 230752529), (119, 131858588), (238, 65929294), (476, 32964647), (1627, 9644236), (3254, 4822118), (6508, 2411059), (11389, 1377748), (20261, 774452), (22778, 688874), (27659, 567308), (40522, 387226), (45556, 344437), (55318, 283654), (81044, 193613), (110636, 141827)]