221661584

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{234811}}^1$

素因数の和:234878

約数の個数: 20

約数和(自身を含む): 436750320

約数和(自身を除く): 215088736

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 234811, 469622, 939244, 1878488, 3756976, 13853849, 27707698, 55415396, 110830792, 221661584]

約数ペア:

[(1, 221661584), (2, 110830792), (4, 55415396), (8, 27707698), (16, 13853849), (59, 3756976), (118, 1878488), (236, 939244), (472, 469622), (944, 234811)]