664298425

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{829}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 996265600

約数和(自身を除く): 331967175

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 241, 475, 665, 829, 1205, 1687, 3325, 4145, 4579, 5803, 6025, 8435, 15751, 20725, 22895, 29015, 32053, 42175, 78755, 110257, 114475, 145075, 160265, 199789, 393775, 551285, 801325, 998945, 1398523, 2756425, 3795991, 4994725, 6992615, 18979955, 26571937, 34963075, 94899775, 132859685, 664298425]

約数ペア:

[(1, 664298425), (5, 132859685), (7, 94899775), (19, 34963075), (25, 26571937), (35, 18979955), (95, 6992615), (133, 4994725), (175, 3795991), (241, 2756425), (475, 1398523), (665, 998945), (829, 801325), (1205, 551285), (1687, 393775), (3325, 199789), (4145, 160265), (4579, 145075), (5803, 114475), (6025, 110257), (8435, 78755), (15751, 42175), (20725, 32053), (22895, 29015)]