64947350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 131106192

約数和(自身を除く): 66158842

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 325, 326, 613, 650, 815, 1226, 1630, 2119, 3065, 4075, 4238, 6130, 7969, 8150, 10595, 15325, 15938, 21190, 30650, 39845, 52975, 79690, 99919, 105950, 199225, 199838, 398450, 499595, 999190, 1298947, 2497975, 2597894, 4995950, 6494735, 12989470, 32473675, 64947350]

約数ペア:

[(1, 64947350), (2, 32473675), (5, 12989470), (10, 6494735), (13, 4995950), (25, 2597894), (26, 2497975), (50, 1298947), (65, 999190), (130, 499595), (163, 398450), (325, 199838), (326, 199225), (613, 105950), (650, 99919), (815, 79690), (1226, 52975), (1630, 39845), (2119, 30650), (3065, 21190), (4075, 15938), (4238, 15325), (6130, 10595), (7969, 8150)]