1220331664

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{186481}}^1$

素因数の和:186898

約数の個数: 20

約数和(自身を含む): 2370186220

約数和(自身を除く): 1149854556

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 186481, 372962, 745924, 1491848, 2983696, 76270729, 152541458, 305082916, 610165832, 1220331664]

約数ペア:

[(1, 1220331664), (2, 610165832), (4, 305082916), (8, 152541458), (16, 76270729), (409, 2983696), (818, 1491848), (1636, 745924), (3272, 372962), (6544, 186481)]