208018745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 288938880

約数和(自身を除く): 80920135

約数列:

[1, 5, 11, 19, 55, 95, 137, 209, 685, 1045, 1453, 1507, 2603, 7265, 7535, 13015, 15983, 27607, 28633, 79915, 138035, 143165, 199061, 303677, 995305, 1518385, 2189671, 3782159, 10948355, 18910795, 41603749, 208018745]

約数ペア:

[(1, 208018745), (5, 41603749), (11, 18910795), (19, 10948355), (55, 3782159), (95, 2189671), (137, 1518385), (209, 995305), (685, 303677), (1045, 199061), (1453, 143165), (1507, 138035), (2603, 79915), (7265, 28633), (7535, 27607), (13015, 15983)]