1640672293

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 1818119520

約数和(自身を除く): 177447227

約数列:

[1, 13, 53, 179, 251, 689, 2327, 2809, 3263, 9487, 13303, 36517, 44929, 123331, 172939, 502811, 584077, 705059, 2381237, 6536543, 9165767, 30956081, 126205561, 1640672293]

約数ペア:

[(1, 1640672293), (13, 126205561), (53, 30956081), (179, 9165767), (251, 6536543), (689, 2381237), (2327, 705059), (2809, 584077), (3263, 502811), (9487, 172939), (13303, 123331), (36517, 44929)]