12905516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1170

約数の個数: 36

約数和(自身を含む): 25917192

約数和(自身を除く): 13011676

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1123, 2246, 2873, 4492, 5746, 11492, 14599, 19091, 29198, 38182, 58396, 76364, 189787, 248183, 379574, 496366, 759148, 992732, 3226379, 6452758, 12905516]

約数ペア:

[(1, 12905516), (2, 6452758), (4, 3226379), (13, 992732), (17, 759148), (26, 496366), (34, 379574), (52, 248183), (68, 189787), (169, 76364), (221, 58396), (338, 38182), (442, 29198), (676, 19091), (884, 14599), (1123, 11492), (2246, 5746), (2873, 4492)]