31431768

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 82252800

約数和(自身を除く): 50821032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 83, 93, 124, 166, 186, 248, 249, 332, 372, 498, 509, 664, 744, 996, 1018, 1527, 1992, 2036, 2573, 3054, 4072, 5146, 6108, 7719, 10292, 12216, 15438, 15779, 20584, 30876, 31558, 42247, 47337, 61752, 63116, 84494, 94674, 126232, 126741, 168988, 189348, 253482, 337976, 378696, 506964, 1013928, 1309657, 2619314, 3928971, 5238628, 7857942, 10477256, 15715884, 31431768]

約数ペア:

[(1, 31431768), (2, 15715884), (3, 10477256), (4, 7857942), (6, 5238628), (8, 3928971), (12, 2619314), (24, 1309657), (31, 1013928), (62, 506964), (83, 378696), (93, 337976), (124, 253482), (166, 189348), (186, 168988), (248, 126741), (249, 126232), (332, 94674), (372, 84494), (498, 63116), (509, 61752), (664, 47337), (744, 42247), (996, 31558), (1018, 30876), (1527, 20584), (1992, 15779), (2036, 15438), (2573, 12216), (3054, 10292), (4072, 7719), (5146, 6108)]