31239156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4657}}^1$

素因数の和:4720

約数の個数: 48

約数和(自身を含む): 80341184

約数和(自身を除く): 49102028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3354, 4657, 6708, 9314, 13971, 18628, 27942, 55884, 60541, 121082, 181623, 200251, 242164, 363246, 400502, 600753, 726492, 801004, 1201506, 2403012, 2603263, 5206526, 7809789, 10413052, 15619578, 31239156]

約数ペア:

[(1, 31239156), (2, 15619578), (3, 10413052), (4, 7809789), (6, 5206526), (12, 2603263), (13, 2403012), (26, 1201506), (39, 801004), (43, 726492), (52, 600753), (78, 400502), (86, 363246), (129, 242164), (156, 200251), (172, 181623), (258, 121082), (516, 60541), (559, 55884), (1118, 27942), (1677, 18628), (2236, 13971), (3354, 9314), (4657, 6708)]