3988049104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{445891}}^1$

素因数の和:445955

約数の個数: 40

約数和(自身を含む): 8514753632

約数和(自身を除く): 4526704528

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 445891, 891782, 1783564, 3567128, 5796583, 7134256, 11593166, 19173313, 23186332, 38346626, 46372664, 76693252, 92745328, 153386504, 249253069, 306773008, 498506138, 997012276, 1994024552, 3988049104]

約数ペア:

[(1, 3988049104), (2, 1994024552), (4, 997012276), (8, 498506138), (13, 306773008), (16, 249253069), (26, 153386504), (43, 92745328), (52, 76693252), (86, 46372664), (104, 38346626), (172, 23186332), (208, 19173313), (344, 11593166), (559, 7134256), (688, 5796583), (1118, 3567128), (2236, 1783564), (4472, 891782), (8944, 445891)]