388671195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 718502400

約数和(自身を除く): 329831205

約数列:

[1, 3, 5, 11, 15, 29, 33, 43, 55, 87, 129, 145, 165, 215, 319, 435, 473, 645, 957, 1247, 1419, 1595, 1889, 2365, 3741, 4785, 5667, 6235, 7095, 9445, 13717, 18705, 20779, 28335, 41151, 54781, 62337, 68585, 81227, 103895, 164343, 205755, 243681, 273905, 311685, 406135, 602591, 821715, 893497, 1218405, 1807773, 2355583, 2680491, 3012955, 4467485, 7066749, 9038865, 11777915, 13402455, 25911413, 35333745, 77734239, 129557065, 388671195]

約数ペア:

[(1, 388671195), (3, 129557065), (5, 77734239), (11, 35333745), (15, 25911413), (29, 13402455), (33, 11777915), (43, 9038865), (55, 7066749), (87, 4467485), (129, 3012955), (145, 2680491), (165, 2355583), (215, 1807773), (319, 1218405), (435, 893497), (473, 821715), (645, 602591), (957, 406135), (1247, 311685), (1419, 273905), (1595, 243681), (1889, 205755), (2365, 164343), (3741, 103895), (4785, 81227), (5667, 68585), (6235, 62337), (7095, 54781), (9445, 41151), (13717, 28335), (18705, 20779)]