420230855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^2$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 558206640

約数和(自身を除く): 137975785

約数列:

[1, 5, 11, 55, 89, 293, 445, 979, 1465, 3223, 4895, 16115, 26077, 85849, 130385, 286847, 429245, 944339, 1434235, 4721695, 7640561, 38202805, 84046171, 420230855]

約数ペア:

[(1, 420230855), (5, 84046171), (11, 38202805), (55, 7640561), (89, 4721695), (293, 1434235), (445, 944339), (979, 429245), (1465, 286847), (3223, 130385), (4895, 85849), (16115, 26077)]