71395604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 149323776

約数和(自身を除く): 77928172

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 332, 434, 581, 868, 991, 1162, 1982, 2324, 2573, 3964, 5146, 6937, 10292, 13874, 18011, 27748, 30721, 36022, 61442, 72044, 82253, 122884, 164506, 215047, 329012, 430094, 575771, 860188, 1151542, 2303084, 2549843, 5099686, 10199372, 17848901, 35697802, 71395604]

約数ペア:

[(1, 71395604), (2, 35697802), (4, 17848901), (7, 10199372), (14, 5099686), (28, 2549843), (31, 2303084), (62, 1151542), (83, 860188), (124, 575771), (166, 430094), (217, 329012), (332, 215047), (434, 164506), (581, 122884), (868, 82253), (991, 72044), (1162, 61442), (1982, 36022), (2324, 30721), (2573, 27748), (3964, 18011), (5146, 13874), (6937, 10292)]