28154126

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 59291568

約数和(自身を除く): 31137442

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 41, 49, 77, 82, 91, 98, 143, 154, 182, 286, 287, 343, 451, 533, 539, 574, 637, 686, 902, 1001, 1066, 1078, 1274, 2002, 2009, 2401, 3157, 3731, 3773, 4018, 4459, 4802, 5863, 6314, 7007, 7462, 7546, 8918, 11726, 14014, 14063, 22099, 26117, 26411, 28126, 31213, 41041, 44198, 49049, 52234, 52822, 62426, 82082, 98098, 98441, 154693, 182819, 196882, 287287, 309386, 343343, 365638, 574574, 686686, 1082851, 1279733, 2011009, 2165702, 2559466, 4022018, 14077063, 28154126]

約数ペア:

[(1, 28154126), (2, 14077063), (7, 4022018), (11, 2559466), (13, 2165702), (14, 2011009), (22, 1279733), (26, 1082851), (41, 686686), (49, 574574), (77, 365638), (82, 343343), (91, 309386), (98, 287287), (143, 196882), (154, 182819), (182, 154693), (286, 98441), (287, 98098), (343, 82082), (451, 62426), (533, 52822), (539, 52234), (574, 49049), (637, 44198), (686, 41041), (902, 31213), (1001, 28126), (1066, 26411), (1078, 26117), (1274, 22099), (2002, 14063), (2009, 14014), (2401, 11726), (3157, 8918), (3731, 7546), (3773, 7462), (4018, 7007), (4459, 6314), (4802, 5863)]