521105208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{20123}}^1$

素因数の和:20228

約数の個数: 64

約数和(自身を含む): 1419949440

約数和(自身を除く): 898844232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 83, 104, 156, 166, 249, 312, 332, 498, 664, 996, 1079, 1992, 2158, 3237, 4316, 6474, 8632, 12948, 20123, 25896, 40246, 60369, 80492, 120738, 160984, 241476, 261599, 482952, 523198, 784797, 1046396, 1569594, 1670209, 2092792, 3139188, 3340418, 5010627, 6278376, 6680836, 10021254, 13361672, 20042508, 21712717, 40085016, 43425434, 65138151, 86850868, 130276302, 173701736, 260552604, 521105208]

約数ペア:

[(1, 521105208), (2, 260552604), (3, 173701736), (4, 130276302), (6, 86850868), (8, 65138151), (12, 43425434), (13, 40085016), (24, 21712717), (26, 20042508), (39, 13361672), (52, 10021254), (78, 6680836), (83, 6278376), (104, 5010627), (156, 3340418), (166, 3139188), (249, 2092792), (312, 1670209), (332, 1569594), (498, 1046396), (664, 784797), (996, 523198), (1079, 482952), (1992, 261599), (2158, 241476), (3237, 160984), (4316, 120738), (6474, 80492), (8632, 60369), (12948, 40246), (20123, 25896)]