38974390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42829}}^1$

素因数の和:42856

約数の個数: 32

約数和(自身を含む): 86345280

約数和(自身を除く): 47370890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 42829, 85658, 214145, 299803, 428290, 556777, 599606, 1113554, 1499015, 2783885, 2998030, 3897439, 5567770, 7794878, 19487195, 38974390]

約数ペア:

[(1, 38974390), (2, 19487195), (5, 7794878), (7, 5567770), (10, 3897439), (13, 2998030), (14, 2783885), (26, 1499015), (35, 1113554), (65, 599606), (70, 556777), (91, 428290), (130, 299803), (182, 214145), (455, 85658), (910, 42829)]