1998748696

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{6967}}^1$

素因数の和:7136

約数の個数: 64

約数和(自身を含む): 4414924800

約数和(自身を除く): 2416176104

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 109, 188, 218, 329, 376, 436, 658, 763, 872, 1316, 1526, 2632, 3052, 5123, 6104, 6967, 10246, 13934, 20492, 27868, 35861, 40984, 48769, 55736, 71722, 97538, 143444, 195076, 286888, 327449, 390152, 654898, 759403, 1309796, 1518806, 2292143, 2619592, 3037612, 4584286, 5315821, 6075224, 9168572, 10631642, 18337144, 21263284, 35691941, 42526568, 71383882, 142767764, 249843587, 285535528, 499687174, 999374348, 1998748696]

約数ペア:

[(1, 1998748696), (2, 999374348), (4, 499687174), (7, 285535528), (8, 249843587), (14, 142767764), (28, 71383882), (47, 42526568), (56, 35691941), (94, 21263284), (109, 18337144), (188, 10631642), (218, 9168572), (329, 6075224), (376, 5315821), (436, 4584286), (658, 3037612), (763, 2619592), (872, 2292143), (1316, 1518806), (1526, 1309796), (2632, 759403), (3052, 654898), (5123, 390152), (6104, 327449), (6967, 286888), (10246, 195076), (13934, 143444), (20492, 97538), (27868, 71722), (35861, 55736), (40984, 48769)]