249017890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{21157}}^1$

素因数の和:21282

約数の個数: 32

約数和(自身を含む): 493573824

約数和(自身を除く): 244555934

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 2354, 5885, 11770, 21157, 42314, 105785, 211570, 232727, 465454, 1163635, 2263799, 2327270, 4527598, 11318995, 22637990, 24901789, 49803578, 124508945, 249017890]

約数ペア:

[(1, 249017890), (2, 124508945), (5, 49803578), (10, 24901789), (11, 22637990), (22, 11318995), (55, 4527598), (107, 2327270), (110, 2263799), (214, 1163635), (535, 465454), (1070, 232727), (1177, 211570), (2354, 105785), (5885, 42314), (11770, 21157)]