208342576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18899}}^1$

素因数の和:18973

約数の個数: 40

約数和(自身を含む): 442940400

約数和(自身を除く): 234597824

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 18899, 37798, 75596, 151192, 245687, 302384, 491374, 982748, 1001647, 1965496, 2003294, 3930992, 4006588, 8013176, 13021411, 16026352, 26042822, 52085644, 104171288, 208342576]

約数ペア:

[(1, 208342576), (2, 104171288), (4, 52085644), (8, 26042822), (13, 16026352), (16, 13021411), (26, 8013176), (52, 4006588), (53, 3930992), (104, 2003294), (106, 1965496), (208, 1001647), (212, 982748), (424, 491374), (689, 302384), (848, 245687), (1378, 151192), (2756, 75596), (5512, 37798), (11024, 18899)]