31438428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2857}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 84505344

約数和(自身を除く): 53066916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 2751, 2857, 3668, 5502, 5714, 8571, 11004, 11428, 17142, 19999, 34284, 39998, 59997, 79996, 119994, 239988, 374267, 748534, 1122801, 1497068, 2245602, 2619869, 4491204, 5239738, 7859607, 10479476, 15719214, 31438428]

約数ペア:

[(1, 31438428), (2, 15719214), (3, 10479476), (4, 7859607), (6, 5239738), (7, 4491204), (12, 2619869), (14, 2245602), (21, 1497068), (28, 1122801), (42, 748534), (84, 374267), (131, 239988), (262, 119994), (393, 79996), (524, 59997), (786, 39998), (917, 34284), (1572, 19999), (1834, 17142), (2751, 11428), (2857, 11004), (3668, 8571), (5502, 5714)]