74890557

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 129168000

約数和(自身を除く): 54277443

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 179, 203, 229, 261, 537, 609, 687, 1253, 1603, 1611, 1827, 2061, 3759, 4809, 5191, 6641, 11277, 14427, 15573, 19923, 36337, 40991, 46487, 46719, 59769, 109011, 122973, 139461, 286937, 327033, 368919, 418383, 860811, 1188739, 2582433, 3566217, 8321173, 10698651, 24963519, 74890557]

約数ペア:

[(1, 74890557), (3, 24963519), (7, 10698651), (9, 8321173), (21, 3566217), (29, 2582433), (63, 1188739), (87, 860811), (179, 418383), (203, 368919), (229, 327033), (261, 286937), (537, 139461), (609, 122973), (687, 109011), (1253, 59769), (1603, 46719), (1611, 46487), (1827, 40991), (2061, 36337), (3759, 19923), (4809, 15573), (5191, 14427), (6641, 11277)]