128601968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{3463}}^1$

素因数の和:3693

約数の個数: 40

約数和(自身を含む): 273184896

約数和(自身を除く): 144582928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 211, 422, 844, 1688, 2321, 3376, 3463, 4642, 6926, 9284, 13852, 18568, 27704, 37136, 38093, 55408, 76186, 152372, 304744, 609488, 730693, 1461386, 2922772, 5845544, 8037623, 11691088, 16075246, 32150492, 64300984, 128601968]

約数ペア:

[(1, 128601968), (2, 64300984), (4, 32150492), (8, 16075246), (11, 11691088), (16, 8037623), (22, 5845544), (44, 2922772), (88, 1461386), (176, 730693), (211, 609488), (422, 304744), (844, 152372), (1688, 76186), (2321, 55408), (3376, 38093), (3463, 37136), (4642, 27704), (6926, 18568), (9284, 13852)]