2578444976

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{2039909}}^1$

素因数の和:2039996

約数の個数: 20

約数和(自身を含む): 5058976800

約数和(自身を除く): 2480531824

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 2039909, 4079818, 8159636, 16319272, 32638544, 161152811, 322305622, 644611244, 1289222488, 2578444976]

約数ペア:

[(1, 2578444976), (2, 1289222488), (4, 644611244), (8, 322305622), (16, 161152811), (79, 32638544), (158, 16319272), (316, 8159636), (632, 4079818), (1264, 2039909)]