1291664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1520656

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 179, 328, 358, 451, 656, 716, 902, 1432, 1804, 1969, 2864, 3608, 3938, 7216, 7339, 7876, 14678, 15752, 29356, 31504, 58712, 80729, 117424, 161458, 322916, 645832, 1291664]

約数ペア:

[(1, 1291664), (2, 645832), (4, 322916), (8, 161458), (11, 117424), (16, 80729), (22, 58712), (41, 31504), (44, 29356), (82, 15752), (88, 14678), (164, 7876), (176, 7339), (179, 7216), (328, 3938), (358, 3608), (451, 2864), (656, 1969), (716, 1804), (902, 1432)]