1221968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 2651616

約数和(自身を除く): 1429648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 131, 176, 212, 262, 424, 524, 583, 848, 1048, 1166, 1441, 2096, 2332, 2882, 4664, 5764, 6943, 9328, 11528, 13886, 23056, 27772, 55544, 76373, 111088, 152746, 305492, 610984, 1221968]

約数ペア:

[(1, 1221968), (2, 610984), (4, 305492), (8, 152746), (11, 111088), (16, 76373), (22, 55544), (44, 27772), (53, 23056), (88, 13886), (106, 11528), (131, 9328), (176, 6943), (212, 5764), (262, 4664), (424, 2882), (524, 2332), (583, 2096), (848, 1441), (1048, 1166)]