9780118978

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{122279}}^1$

素因数の和:122514

約数の個数: 32

約数和(自身を含む): 17432236800

約数和(自身を除く): 7652117822

約数列:

[1, 2, 7, 14, 29, 58, 197, 203, 394, 406, 1379, 2758, 5713, 11426, 39991, 79982, 122279, 244558, 855953, 1711906, 3546091, 7092182, 24088963, 24822637, 48177926, 49645274, 168622741, 337245482, 698579927, 1397159854, 4890059489, 9780118978]

約数ペア:

[(1, 9780118978), (2, 4890059489), (7, 1397159854), (14, 698579927), (29, 337245482), (58, 168622741), (197, 49645274), (203, 48177926), (394, 24822637), (406, 24088963), (1379, 7092182), (2758, 3546091), (5713, 1711906), (11426, 855953), (39991, 244558), (79982, 122279)]