31046990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18371}}^1$

素因数の和:18404

約数の個数: 24

約数和(自身を含む): 60517368

約数和(自身を除く): 29470378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18371, 36742, 91855, 183710, 238823, 477646, 1194115, 2388230, 3104699, 6209398, 15523495, 31046990]

約数ペア:

[(1, 31046990), (2, 15523495), (5, 6209398), (10, 3104699), (13, 2388230), (26, 1194115), (65, 477646), (130, 238823), (169, 183710), (338, 91855), (845, 36742), (1690, 18371)]