71317404

素因数分解:

$2^2\times 3^2\times {\mathrm{997}}^1\times {\mathrm{1987}}^1$

素因数の和:2994

約数の個数: 36

約数和(自身を含む): 180546184

約数和(自身を除く): 109228780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 997, 1987, 1994, 2991, 3974, 3988, 5961, 5982, 7948, 8973, 11922, 11964, 17883, 17946, 23844, 35766, 35892, 71532, 1981039, 3962078, 5943117, 7924156, 11886234, 17829351, 23772468, 35658702, 71317404]

約数ペア:

[(1, 71317404), (2, 35658702), (3, 23772468), (4, 17829351), (6, 11886234), (9, 7924156), (12, 5943117), (18, 3962078), (36, 1981039), (997, 71532), (1987, 35892), (1994, 35766), (2991, 23844), (3974, 17946), (3988, 17883), (5961, 11964), (5982, 11922), (7948, 8973)]