208442975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15643}}^1$

素因数の和:15707

約数の個数: 24

約数和(自身を含む): 285158832

約数和(自身を除く): 76715857

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 15643, 78215, 203359, 391075, 641363, 1016795, 3206815, 5083975, 8337719, 16034075, 41688595, 208442975]

約数ペア:

[(1, 208442975), (5, 41688595), (13, 16034075), (25, 8337719), (41, 5083975), (65, 3206815), (205, 1016795), (325, 641363), (533, 391075), (1025, 203359), (2665, 78215), (13325, 15643)]