668977036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 1463209440

約数和(自身を除く): 794232404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 169, 182, 218, 338, 364, 436, 676, 763, 1183, 1297, 1417, 1526, 2366, 2594, 2834, 3052, 4732, 5188, 5668, 9079, 9919, 16861, 18158, 18421, 19838, 33722, 36316, 36842, 39676, 67444, 73684, 118027, 128947, 141373, 219193, 236054, 257894, 282746, 438386, 472108, 515788, 565492, 876772, 989611, 1534351, 1837849, 1979222, 3068702, 3675698, 3958444, 6137404, 7351396, 12864943, 23892037, 25729886, 47784074, 51459772, 95568148, 167244259, 334488518, 668977036]

約数ペア:

[(1, 668977036), (2, 334488518), (4, 167244259), (7, 95568148), (13, 51459772), (14, 47784074), (26, 25729886), (28, 23892037), (52, 12864943), (91, 7351396), (109, 6137404), (169, 3958444), (182, 3675698), (218, 3068702), (338, 1979222), (364, 1837849), (436, 1534351), (676, 989611), (763, 876772), (1183, 565492), (1297, 515788), (1417, 472108), (1526, 438386), (2366, 282746), (2594, 257894), (2834, 236054), (3052, 219193), (4732, 141373), (5188, 128947), (5668, 118027), (9079, 73684), (9919, 67444), (16861, 39676), (18158, 36842), (18421, 36316), (19838, 33722)]