28664870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 55823040

約数和(自身を除く): 27158170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 709, 1418, 1555, 3110, 3545, 4043, 7090, 8086, 9217, 18434, 20215, 40430, 46085, 92170, 220499, 440998, 1102495, 2204990, 2866487, 5732974, 14332435, 28664870]

約数ペア:

[(1, 28664870), (2, 14332435), (5, 5732974), (10, 2866487), (13, 2204990), (26, 1102495), (65, 440998), (130, 220499), (311, 92170), (622, 46085), (709, 40430), (1418, 20215), (1555, 18434), (3110, 9217), (3545, 8086), (4043, 7090)]