28653738

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35213142

約数列:

[1, 2, 3, 6, 17, 34, 43, 47, 51, 86, 94, 102, 129, 139, 141, 258, 278, 282, 417, 731, 799, 834, 1462, 1598, 2021, 2193, 2363, 2397, 4042, 4386, 4726, 4794, 5977, 6063, 6533, 7089, 11954, 12126, 13066, 14178, 17931, 19599, 34357, 35862, 39198, 68714, 101609, 103071, 111061, 203218, 206142, 222122, 280919, 304827, 333183, 561838, 609654, 666366, 842757, 1685514, 4775623, 9551246, 14326869, 28653738]

約数ペア:

[(1, 28653738), (2, 14326869), (3, 9551246), (6, 4775623), (17, 1685514), (34, 842757), (43, 666366), (47, 609654), (51, 561838), (86, 333183), (94, 304827), (102, 280919), (129, 222122), (139, 206142), (141, 203218), (258, 111061), (278, 103071), (282, 101609), (417, 68714), (731, 39198), (799, 35862), (834, 34357), (1462, 19599), (1598, 17931), (2021, 14178), (2193, 13066), (2363, 12126), (2397, 11954), (4042, 7089), (4386, 6533), (4726, 6063), (4794, 5977)]