139603990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{228859}}^1$

素因数の和:228927

約数の個数: 16

約数和(自身を含む): 255407760

約数和(自身を除く): 115803770

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 228859, 457718, 1144295, 2288590, 13960399, 27920798, 69801995, 139603990]

約数ペア:

[(1, 139603990), (2, 69801995), (5, 27920798), (10, 13960399), (61, 2288590), (122, 1144295), (305, 457718), (610, 228859)]