1978974608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{94201}}^1$

素因数の和:94323

約数の個数: 40

約数和(自身を含む): 4170134136

約数和(自身を除く): 2191159528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504, 21008, 94201, 188402, 376804, 753608, 1224613, 1507216, 2449226, 4898452, 9514301, 9796904, 19028602, 19593808, 38057204, 76114408, 123685913, 152228816, 247371826, 494743652, 989487304, 1978974608]

約数ペア:

[(1, 1978974608), (2, 989487304), (4, 494743652), (8, 247371826), (13, 152228816), (16, 123685913), (26, 76114408), (52, 38057204), (101, 19593808), (104, 19028602), (202, 9796904), (208, 9514301), (404, 4898452), (808, 2449226), (1313, 1507216), (1616, 1224613), (2626, 753608), (5252, 376804), (10504, 188402), (21008, 94201)]