28309658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3371}}^1$

素因数の和:3422

約数の個数: 32

約数和(自身を含む): 50984640

約数和(自身を除く): 22674982

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 3371, 4199, 6742, 8398, 43823, 57307, 64049, 87646, 114614, 128098, 744991, 832637, 1088833, 1489982, 1665274, 2177666, 14154829, 28309658]

約数ペア:

[(1, 28309658), (2, 14154829), (13, 2177666), (17, 1665274), (19, 1489982), (26, 1088833), (34, 832637), (38, 744991), (221, 128098), (247, 114614), (323, 87646), (442, 64049), (494, 57307), (646, 43823), (3371, 8398), (4199, 6742)]