680404556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{42073}}^1$

素因数の和:42401

約数の個数: 24

約数和(自身を含む): 1286454624

約数和(自身を除く): 606050068

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 4043, 8086, 16172, 42073, 84146, 168292, 546949, 1093898, 2187796, 13084703, 26169406, 52338812, 170101139, 340202278, 680404556]

約数ペア:

[(1, 680404556), (2, 340202278), (4, 170101139), (13, 52338812), (26, 26169406), (52, 13084703), (311, 2187796), (622, 1093898), (1244, 546949), (4043, 168292), (8086, 84146), (16172, 42073)]