22247953

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 6540527

約数列:

[1, 7, 13, 41, 67, 89, 91, 287, 469, 533, 623, 871, 1157, 2747, 3649, 3731, 5963, 6097, 8099, 19229, 25543, 35711, 41741, 47437, 77519, 244483, 249977, 332059, 542633, 1711381, 3178279, 22247953]

約数ペア:

[(1, 22247953), (7, 3178279), (13, 1711381), (41, 542633), (67, 332059), (89, 249977), (91, 244483), (287, 77519), (469, 47437), (533, 41741), (623, 35711), (871, 25543), (1157, 19229), (2747, 8099), (3649, 6097), (3731, 5963)]