15841994

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 30176712

約数和(自身を除く): 14334718

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 74, 98, 119, 238, 257, 259, 514, 518, 629, 833, 1258, 1666, 1799, 1813, 3598, 3626, 4369, 4403, 8738, 8806, 9509, 12593, 19018, 25186, 30583, 30821, 61166, 61642, 66563, 133126, 161653, 214081, 323306, 428162, 465941, 931882, 1131571, 2263142, 7920997, 15841994]

約数ペア:

[(1, 15841994), (2, 7920997), (7, 2263142), (14, 1131571), (17, 931882), (34, 465941), (37, 428162), (49, 323306), (74, 214081), (98, 161653), (119, 133126), (238, 66563), (257, 61642), (259, 61166), (514, 30821), (518, 30583), (629, 25186), (833, 19018), (1258, 12593), (1666, 9509), (1799, 8806), (1813, 8738), (3598, 4403), (3626, 4369)]