31611970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1009}}^1$

素因数の和:1270

約数の個数: 32

約数和(自身を含む): 61593840

約数和(自身を除く): 29981870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1009, 1205, 2018, 2410, 3133, 5045, 6266, 10090, 13117, 15665, 26234, 31330, 65585, 131170, 243169, 486338, 1215845, 2431690, 3161197, 6322394, 15805985, 31611970]

約数ペア:

[(1, 31611970), (2, 15805985), (5, 6322394), (10, 3161197), (13, 2431690), (26, 1215845), (65, 486338), (130, 243169), (241, 131170), (482, 65585), (1009, 31330), (1205, 26234), (2018, 15665), (2410, 13117), (3133, 10090), (5045, 6266)]