71518798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 120718080

約数和(自身を除く): 49199282

約数列:

[1, 2, 13, 26, 31, 62, 89, 178, 403, 806, 997, 1157, 1994, 2314, 2759, 5518, 12961, 25922, 30907, 35867, 61814, 71734, 88733, 177466, 401791, 803582, 1153529, 2307058, 2750723, 5501446, 35759399, 71518798]

約数ペア:

[(1, 71518798), (2, 35759399), (13, 5501446), (26, 2750723), (31, 2307058), (62, 1153529), (89, 803582), (178, 401791), (403, 177466), (806, 88733), (997, 71734), (1157, 61814), (1994, 35867), (2314, 30907), (2759, 25922), (5518, 12961)]