261576654

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2593}}^1$

素因数の和:2681

約数の個数: 64

約数和(自身を含む): 591681024

約数和(自身を除く): 330104370

約数列:

[1, 2, 3, 6, 17, 23, 34, 43, 46, 51, 69, 86, 102, 129, 138, 258, 391, 731, 782, 989, 1173, 1462, 1978, 2193, 2346, 2593, 2967, 4386, 5186, 5934, 7779, 15558, 16813, 33626, 44081, 50439, 59639, 88162, 100878, 111499, 119278, 132243, 178917, 222998, 264486, 334497, 357834, 668994, 1013863, 1895483, 2027726, 2564477, 3041589, 3790966, 5128954, 5686449, 6083178, 7693431, 11372898, 15386862, 43596109, 87192218, 130788327, 261576654]

約数ペア:

[(1, 261576654), (2, 130788327), (3, 87192218), (6, 43596109), (17, 15386862), (23, 11372898), (34, 7693431), (43, 6083178), (46, 5686449), (51, 5128954), (69, 3790966), (86, 3041589), (102, 2564477), (129, 2027726), (138, 1895483), (258, 1013863), (391, 668994), (731, 357834), (782, 334497), (989, 264486), (1173, 222998), (1462, 178917), (1978, 132243), (2193, 119278), (2346, 111499), (2593, 100878), (2967, 88162), (4386, 59639), (5186, 50439), (5934, 44081), (7779, 33626), (15558, 16813)]