64195775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 98208000

約数和(自身を除く): 34012225

約数列:

[1, 5, 7, 19, 25, 35, 43, 95, 133, 175, 215, 301, 449, 475, 665, 817, 1075, 1505, 2245, 3143, 3325, 4085, 5719, 7525, 8531, 11225, 15715, 19307, 20425, 28595, 42655, 59717, 78575, 96535, 135149, 142975, 213275, 298585, 366833, 482675, 675745, 1492925, 1834165, 2567831, 3378725, 9170825, 12839155, 64195775]

約数ペア:

[(1, 64195775), (5, 12839155), (7, 9170825), (19, 3378725), (25, 2567831), (35, 1834165), (43, 1492925), (95, 675745), (133, 482675), (175, 366833), (215, 298585), (301, 213275), (449, 142975), (475, 135149), (665, 96535), (817, 78575), (1075, 59717), (1505, 42655), (2245, 28595), (3143, 20425), (3325, 19307), (4085, 15715), (5719, 11225), (7525, 8531)]