40164978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20347}}^1$

素因数の和:20406

約数の個数: 32

約数和(自身を含む): 93763584

約数和(自身を除く): 53598606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 20347, 40694, 61041, 122082, 142429, 284858, 427287, 854574, 956309, 1912618, 2868927, 5737854, 6694163, 13388326, 20082489, 40164978]

約数ペア:

[(1, 40164978), (2, 20082489), (3, 13388326), (6, 6694163), (7, 5737854), (14, 2868927), (21, 1912618), (42, 956309), (47, 854574), (94, 427287), (141, 284858), (282, 142429), (329, 122082), (658, 61041), (987, 40694), (1974, 20347)]