64672205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 88058880

約数和(自身を除く): 23386675

約数列:

[1, 5, 13, 23, 65, 115, 181, 239, 299, 905, 1195, 1495, 2353, 3107, 4163, 5497, 11765, 15535, 20815, 27485, 43259, 54119, 71461, 216295, 270595, 357305, 562367, 994957, 2811835, 4974785, 12934441, 64672205]

約数ペア:

[(1, 64672205), (5, 12934441), (13, 4974785), (23, 2811835), (65, 994957), (115, 562367), (181, 357305), (239, 270595), (299, 216295), (905, 71461), (1195, 54119), (1495, 43259), (2353, 27485), (3107, 20815), (4163, 15535), (5497, 11765)]