67201328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 137640000

約数和(自身を除く): 70438672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 443, 499, 886, 998, 1772, 1996, 3544, 3992, 7088, 7984, 8417, 9481, 16834, 18962, 33668, 37924, 67336, 75848, 134672, 151696, 221057, 442114, 884228, 1768456, 3536912, 4200083, 8400166, 16800332, 33600664, 67201328]

約数ペア:

[(1, 67201328), (2, 33600664), (4, 16800332), (8, 8400166), (16, 4200083), (19, 3536912), (38, 1768456), (76, 884228), (152, 442114), (304, 221057), (443, 151696), (499, 134672), (886, 75848), (998, 67336), (1772, 37924), (1996, 33668), (3544, 18962), (3992, 16834), (7088, 9481), (7984, 8417)]