260219518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 435456000

約数和(自身を除く): 175236482

約数列:

[1, 2, 13, 26, 31, 62, 403, 499, 647, 806, 998, 1294, 6487, 8411, 12974, 15469, 16822, 20057, 30938, 40114, 201097, 260741, 322853, 402194, 521482, 645706, 4197089, 8394178, 10008443, 20016886, 130109759, 260219518]

約数ペア:

[(1, 260219518), (2, 130109759), (13, 20016886), (26, 10008443), (31, 8394178), (62, 4197089), (403, 645706), (499, 521482), (647, 402194), (806, 322853), (998, 260741), (1294, 201097), (6487, 40114), (8411, 30938), (12974, 20057), (15469, 16822)]