72638216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 165110400

約数和(自身を除く): 92472184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 233, 266, 293, 466, 532, 586, 932, 1064, 1172, 1631, 1864, 2051, 2344, 3262, 4102, 4427, 5567, 6524, 8204, 8854, 11134, 13048, 16408, 17708, 22268, 30989, 35416, 38969, 44536, 61978, 68269, 77938, 123956, 136538, 155876, 247912, 273076, 311752, 477883, 546152, 955766, 1297111, 1911532, 2594222, 3823064, 5188444, 9079777, 10376888, 18159554, 36319108, 72638216]

約数ペア:

[(1, 72638216), (2, 36319108), (4, 18159554), (7, 10376888), (8, 9079777), (14, 5188444), (19, 3823064), (28, 2594222), (38, 1911532), (56, 1297111), (76, 955766), (133, 546152), (152, 477883), (233, 311752), (266, 273076), (293, 247912), (466, 155876), (532, 136538), (586, 123956), (932, 77938), (1064, 68269), (1172, 61978), (1631, 44536), (1864, 38969), (2051, 35416), (2344, 30989), (3262, 22268), (4102, 17708), (4427, 16408), (5567, 13048), (6524, 11134), (8204, 8854)]