857638378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 1384416000

約数和(自身を除く): 526777622

約数列:

[1, 2, 19, 38, 79, 109, 158, 218, 1501, 2071, 2621, 3002, 4142, 5242, 8611, 17222, 49799, 99598, 163609, 207059, 285689, 327218, 414118, 571378, 3934121, 5428091, 7868242, 10856182, 22569431, 45138862, 428819189, 857638378]

約数ペア:

[(1, 857638378), (2, 428819189), (19, 45138862), (38, 22569431), (79, 10856182), (109, 7868242), (158, 5428091), (218, 3934121), (1501, 571378), (2071, 414118), (2621, 327218), (3002, 285689), (4142, 207059), (5242, 163609), (8611, 99598), (17222, 49799)]