1664664575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12211}}^1$

素因数の和:12288

約数の個数: 48

約数和(自身を含む): 2544003840

約数和(自身を除く): 879339265

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 175, 205, 287, 475, 665, 779, 1025, 1435, 3325, 3895, 5453, 7175, 12211, 19475, 27265, 61055, 85477, 136325, 232009, 305275, 427385, 500651, 1160045, 1624063, 2136925, 2503255, 3504557, 5800225, 8120315, 9512369, 12516275, 17522785, 40601575, 47561845, 66586583, 87613925, 237809225, 332932915, 1664664575]

約数ペア:

[(1, 1664664575), (5, 332932915), (7, 237809225), (19, 87613925), (25, 66586583), (35, 47561845), (41, 40601575), (95, 17522785), (133, 12516275), (175, 9512369), (205, 8120315), (287, 5800225), (475, 3504557), (665, 2503255), (779, 2136925), (1025, 1624063), (1435, 1160045), (3325, 500651), (3895, 427385), (5453, 305275), (7175, 232009), (12211, 136325), (19475, 85477), (27265, 61055)]