31270356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 86045960

約数和(自身を除く): 54775604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 436, 468, 613, 654, 981, 1226, 1308, 1417, 1839, 1962, 2452, 2834, 3678, 3924, 4251, 5517, 5668, 7356, 7969, 8502, 11034, 12753, 15938, 17004, 22068, 23907, 25506, 31876, 47814, 51012, 66817, 71721, 95628, 133634, 143442, 200451, 267268, 286884, 400902, 601353, 801804, 868621, 1202706, 1737242, 2405412, 2605863, 3474484, 5211726, 7817589, 10423452, 15635178, 31270356]

約数ペア:

[(1, 31270356), (2, 15635178), (3, 10423452), (4, 7817589), (6, 5211726), (9, 3474484), (12, 2605863), (13, 2405412), (18, 1737242), (26, 1202706), (36, 868621), (39, 801804), (52, 601353), (78, 400902), (109, 286884), (117, 267268), (156, 200451), (218, 143442), (234, 133634), (327, 95628), (436, 71721), (468, 66817), (613, 51012), (654, 47814), (981, 31876), (1226, 25506), (1308, 23907), (1417, 22068), (1839, 17004), (1962, 15938), (2452, 12753), (2834, 11034), (3678, 8502), (3924, 7969), (4251, 7356), (5517, 5668)]