208801918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{709}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 346389120

約数和(自身を除く): 137587202

約数列:

[1, 2, 13, 26, 47, 94, 241, 482, 611, 709, 1222, 1418, 3133, 6266, 9217, 11327, 18434, 22654, 33323, 66646, 147251, 170869, 294502, 341738, 433199, 866398, 2221297, 4442594, 8030843, 16061686, 104400959, 208801918]

約数ペア:

[(1, 208801918), (2, 104400959), (13, 16061686), (26, 8030843), (47, 4442594), (94, 2221297), (241, 866398), (482, 433199), (611, 341738), (709, 294502), (1222, 170869), (1418, 147251), (3133, 66646), (6266, 33323), (9217, 22654), (11327, 18434)]