39031895

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 16125865

約数列:

[1, 5, 7, 35, 71, 113, 139, 355, 497, 565, 695, 791, 973, 2485, 3955, 4865, 8023, 9869, 15707, 40115, 49345, 56161, 69083, 78535, 109949, 280805, 345415, 549745, 1115197, 5575985, 7806379, 39031895]

約数ペア:

[(1, 39031895), (5, 7806379), (7, 5575985), (35, 1115197), (71, 549745), (113, 345415), (139, 280805), (355, 109949), (497, 78535), (565, 69083), (695, 56161), (791, 49345), (973, 40115), (2485, 15707), (3955, 9869), (4865, 8023)]