26937505

素因数分解:

$5^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 11366495

約数列:

[1, 5, 7, 35, 49, 113, 139, 245, 343, 565, 695, 791, 973, 1715, 3955, 4865, 5537, 6811, 15707, 27685, 34055, 38759, 47677, 78535, 109949, 193795, 238385, 549745, 769643, 3848215, 5387501, 26937505]

約数ペア:

[(1, 26937505), (5, 5387501), (7, 3848215), (35, 769643), (49, 549745), (113, 238385), (139, 193795), (245, 109949), (343, 78535), (565, 47677), (695, 38759), (791, 34055), (973, 27685), (1715, 15707), (3955, 6811), (4865, 5537)]