381588506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 627854976

約数和(自身を除く): 246266470

約数列:

[1, 2, 13, 26, 71, 142, 421, 491, 842, 923, 982, 1846, 5473, 6383, 10946, 12766, 29891, 34861, 59782, 69722, 206711, 388583, 413422, 453193, 777166, 906386, 2687243, 5374486, 14676481, 29352962, 190794253, 381588506]

約数ペア:

[(1, 381588506), (2, 190794253), (13, 29352962), (26, 14676481), (71, 5374486), (142, 2687243), (421, 906386), (491, 777166), (842, 453193), (923, 413422), (982, 388583), (1846, 206711), (5473, 69722), (6383, 59782), (10946, 34861), (12766, 29891)]