208977665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 286411776

約数和(自身を除く): 77434111

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 481, 1147, 2015, 2405, 2803, 5735, 14015, 14911, 36439, 74555, 86893, 103711, 182195, 434465, 518555, 1129609, 1348243, 3215041, 5648045, 6741215, 16075205, 41795533, 208977665]

約数ペア:

[(1, 208977665), (5, 41795533), (13, 16075205), (31, 6741215), (37, 5648045), (65, 3215041), (155, 1348243), (185, 1129609), (403, 518555), (481, 434465), (1147, 182195), (2015, 103711), (2405, 86893), (2803, 74555), (5735, 36439), (14015, 14911)]