489074755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{967}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 655699968

約数和(自身を除く): 166625213

約数列:

[1, 5, 13, 31, 65, 155, 251, 403, 967, 1255, 2015, 3263, 4835, 7781, 12571, 16315, 29977, 38905, 62855, 101153, 149885, 242717, 389701, 505765, 1213585, 1948505, 3155321, 7524227, 15776605, 37621135, 97814951, 489074755]

約数ペア:

[(1, 489074755), (5, 97814951), (13, 37621135), (31, 15776605), (65, 7524227), (155, 3155321), (251, 1948505), (403, 1213585), (967, 505765), (1255, 389701), (2015, 242717), (3263, 149885), (4835, 101153), (7781, 62855), (12571, 38905), (16315, 29977)]