222713491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 300496896

約数和(自身を除く): 77783405

約数列:

[1, 7, 11, 13, 77, 91, 143, 271, 821, 1001, 1897, 2981, 3523, 5747, 9031, 10673, 20867, 24661, 38753, 63217, 74711, 117403, 222491, 271271, 821821, 1557437, 2447401, 2892383, 17131807, 20246681, 31816213, 222713491]

約数ペア:

[(1, 222713491), (7, 31816213), (11, 20246681), (13, 17131807), (77, 2892383), (91, 2447401), (143, 1557437), (271, 821821), (821, 271271), (1001, 222491), (1897, 117403), (2981, 74711), (3523, 63217), (5747, 38753), (9031, 24661), (10673, 20867)]