218658544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{1319}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 457158240

約数和(自身を除く): 238499696

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 797, 1319, 1594, 2638, 3188, 5276, 6376, 10361, 10552, 12752, 17147, 20722, 21104, 34294, 41444, 68588, 82888, 137176, 165776, 274352, 1051243, 2102486, 4204972, 8409944, 13666159, 16819888, 27332318, 54664636, 109329272, 218658544]

約数ペア:

[(1, 218658544), (2, 109329272), (4, 54664636), (8, 27332318), (13, 16819888), (16, 13666159), (26, 8409944), (52, 4204972), (104, 2102486), (208, 1051243), (797, 274352), (1319, 165776), (1594, 137176), (2638, 82888), (3188, 68588), (5276, 41444), (6376, 34294), (10361, 21104), (10552, 20722), (12752, 17147)]