247962834

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6857}}^1$

素因数の和:6920

約数の個数: 72

約数和(自身を含む): 640304028

約数和(自身を除く): 392341194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 574, 738, 861, 882, 1722, 2009, 2583, 4018, 5166, 6027, 6857, 12054, 13714, 18081, 20571, 36162, 41142, 47999, 61713, 95998, 123426, 143997, 281137, 287994, 335993, 431991, 562274, 671986, 843411, 863982, 1007979, 1686822, 1967959, 2015958, 2530233, 3023937, 3935918, 5060466, 5903877, 6047874, 11807754, 13775713, 17711631, 27551426, 35423262, 41327139, 82654278, 123981417, 247962834]

約数ペア:

[(1, 247962834), (2, 123981417), (3, 82654278), (6, 41327139), (7, 35423262), (9, 27551426), (14, 17711631), (18, 13775713), (21, 11807754), (41, 6047874), (42, 5903877), (49, 5060466), (63, 3935918), (82, 3023937), (98, 2530233), (123, 2015958), (126, 1967959), (147, 1686822), (246, 1007979), (287, 863982), (294, 843411), (369, 671986), (441, 562274), (574, 431991), (738, 335993), (861, 287994), (882, 281137), (1722, 143997), (2009, 123426), (2583, 95998), (4018, 61713), (5166, 47999), (6027, 41142), (6857, 36162), (12054, 20571), (13714, 18081)]