644238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{5113}}^1$

素因数の和:5128

約数の個数: 24

約数和(自身を含む): 1595568

約数和(自身を除く): 951330

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5113, 10226, 15339, 30678, 35791, 46017, 71582, 92034, 107373, 214746, 322119, 644238]

約数ペア:

[(1, 644238), (2, 322119), (3, 214746), (6, 107373), (7, 92034), (9, 71582), (14, 46017), (18, 35791), (21, 30678), (42, 15339), (63, 10226), (126, 5113)]