2017128865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{1117}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 2596478976

約数和(自身を除く): 579350111

約数列:

[1, 5, 23, 41, 115, 205, 383, 943, 1117, 1915, 4715, 5585, 8809, 15703, 25691, 44045, 45797, 78515, 128455, 228985, 361169, 427811, 1053331, 1805845, 2139055, 5266655, 9839653, 17540251, 49198265, 87701255, 403425773, 2017128865]

約数ペア:

[(1, 2017128865), (5, 403425773), (23, 87701255), (41, 49198265), (115, 17540251), (205, 9839653), (383, 5266655), (943, 2139055), (1117, 1805845), (1915, 1053331), (4715, 427811), (5585, 361169), (8809, 228985), (15703, 128455), (25691, 78515), (44045, 45797)]