12957568

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 27999000

約数和(自身を除く): 15041432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 599, 676, 832, 1198, 1352, 1664, 2396, 2704, 4792, 5408, 7787, 9584, 10816, 15574, 19168, 21632, 31148, 38336, 62296, 76672, 101231, 124592, 202462, 249184, 404924, 498368, 809848, 996736, 1619696, 3239392, 6478784, 12957568]

約数ペア:

[(1, 12957568), (2, 6478784), (4, 3239392), (8, 1619696), (13, 996736), (16, 809848), (26, 498368), (32, 404924), (52, 249184), (64, 202462), (104, 124592), (128, 101231), (169, 76672), (208, 62296), (338, 38336), (416, 31148), (599, 21632), (676, 19168), (832, 15574), (1198, 10816), (1352, 9584), (1664, 7787), (2396, 5408), (2704, 4792)]