71695988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 155119104

約数和(自身を除く): 83423116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 431, 457, 862, 914, 1724, 1828, 3017, 3199, 5603, 5941, 6034, 6398, 11206, 11882, 12068, 12796, 22412, 23764, 39221, 41587, 78442, 83174, 156884, 166348, 196967, 393934, 787868, 1378769, 2560571, 2757538, 5121142, 5515076, 10242284, 17923997, 35847994, 71695988]

約数ペア:

[(1, 71695988), (2, 35847994), (4, 17923997), (7, 10242284), (13, 5515076), (14, 5121142), (26, 2757538), (28, 2560571), (52, 1378769), (91, 787868), (182, 393934), (364, 196967), (431, 166348), (457, 156884), (862, 83174), (914, 78442), (1724, 41587), (1828, 39221), (3017, 23764), (3199, 22412), (5603, 12796), (5941, 12068), (6034, 11882), (6398, 11206)]