81035178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 193290240

約数和(自身を除く): 112255062

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 109, 186, 217, 218, 327, 434, 571, 651, 654, 763, 1142, 1302, 1526, 1713, 2289, 3379, 3426, 3997, 4578, 6758, 7994, 10137, 11991, 17701, 20274, 23653, 23982, 35402, 47306, 53103, 62239, 70959, 106206, 123907, 124478, 141918, 186717, 247814, 371721, 373434, 435673, 743442, 871346, 1307019, 1929409, 2614038, 3858818, 5788227, 11576454, 13505863, 27011726, 40517589, 81035178]

約数ペア:

[(1, 81035178), (2, 40517589), (3, 27011726), (6, 13505863), (7, 11576454), (14, 5788227), (21, 3858818), (31, 2614038), (42, 1929409), (62, 1307019), (93, 871346), (109, 743442), (186, 435673), (217, 373434), (218, 371721), (327, 247814), (434, 186717), (571, 141918), (651, 124478), (654, 123907), (763, 106206), (1142, 70959), (1302, 62239), (1526, 53103), (1713, 47306), (2289, 35402), (3379, 23982), (3426, 23653), (3997, 20274), (4578, 17701), (6758, 11991), (7994, 10137)]