64688995

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 102021120

約数和(自身を除く): 37332125

約数列:

[1, 5, 7, 17, 23, 29, 35, 85, 115, 119, 145, 161, 163, 203, 391, 493, 595, 667, 805, 815, 1015, 1141, 1955, 2465, 2737, 2771, 3335, 3451, 3749, 4669, 4727, 5705, 11339, 13685, 13855, 17255, 18745, 19397, 23345, 23635, 26243, 33089, 56695, 63733, 79373, 80359, 96985, 108721, 131215, 165445, 318665, 396865, 401795, 446131, 543605, 562513, 761047, 1848257, 2230655, 2812565, 3805235, 9241285, 12937799, 64688995]

約数ペア:

[(1, 64688995), (5, 12937799), (7, 9241285), (17, 3805235), (23, 2812565), (29, 2230655), (35, 1848257), (85, 761047), (115, 562513), (119, 543605), (145, 446131), (161, 401795), (163, 396865), (203, 318665), (391, 165445), (493, 131215), (595, 108721), (667, 96985), (805, 80359), (815, 79373), (1015, 63733), (1141, 56695), (1955, 33089), (2465, 26243), (2737, 23635), (2771, 23345), (3335, 19397), (3451, 18745), (3749, 17255), (4669, 13855), (4727, 13685), (5705, 11339)]