71891208

素因数分解:

$2^3\times 3^2\times {\mathrm{349}}^1\times {\mathrm{2861}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 195331500

約数和(自身を除く): 123440292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 349, 698, 1047, 1396, 2094, 2792, 2861, 3141, 4188, 5722, 6282, 8376, 8583, 11444, 12564, 17166, 22888, 25128, 25749, 34332, 51498, 68664, 102996, 205992, 998489, 1996978, 2995467, 3993956, 5990934, 7987912, 8986401, 11981868, 17972802, 23963736, 35945604, 71891208]

約数ペア:

[(1, 71891208), (2, 35945604), (3, 23963736), (4, 17972802), (6, 11981868), (8, 8986401), (9, 7987912), (12, 5990934), (18, 3993956), (24, 2995467), (36, 1996978), (72, 998489), (349, 205992), (698, 102996), (1047, 68664), (1396, 51498), (2094, 34332), (2792, 25749), (2861, 25128), (3141, 22888), (4188, 17166), (5722, 12564), (6282, 11444), (8376, 8583)]