2665328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 5624640

約数和(自身を除く): 2959312

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 239, 272, 328, 478, 656, 697, 956, 1394, 1912, 2788, 3824, 4063, 5576, 8126, 9799, 11152, 16252, 19598, 32504, 39196, 65008, 78392, 156784, 166583, 333166, 666332, 1332664, 2665328]

約数ペア:

[(1, 2665328), (2, 1332664), (4, 666332), (8, 333166), (16, 166583), (17, 156784), (34, 78392), (41, 65008), (68, 39196), (82, 32504), (136, 19598), (164, 16252), (239, 11152), (272, 9799), (328, 8126), (478, 5576), (656, 4063), (697, 3824), (956, 2788), (1394, 1912)]