138666492

素因数分解:

$2^2\times 3^5\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 365444352

約数和(自身を除く): 226777860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 331, 431, 486, 662, 862, 972, 993, 1293, 1324, 1724, 1986, 2586, 2979, 3879, 3972, 5172, 5958, 7758, 8937, 11637, 11916, 15516, 17874, 23274, 26811, 34911, 35748, 46548, 53622, 69822, 80433, 104733, 107244, 139644, 142661, 160866, 209466, 285322, 321732, 418932, 427983, 570644, 855966, 1283949, 1711932, 2567898, 3851847, 5135796, 7703694, 11555541, 15407388, 23111082, 34666623, 46222164, 69333246, 138666492]

約数ペア:

[(1, 138666492), (2, 69333246), (3, 46222164), (4, 34666623), (6, 23111082), (9, 15407388), (12, 11555541), (18, 7703694), (27, 5135796), (36, 3851847), (54, 2567898), (81, 1711932), (108, 1283949), (162, 855966), (243, 570644), (324, 427983), (331, 418932), (431, 321732), (486, 285322), (662, 209466), (862, 160866), (972, 142661), (993, 139644), (1293, 107244), (1324, 104733), (1724, 80433), (1986, 69822), (2586, 53622), (2979, 46548), (3879, 35748), (3972, 34911), (5172, 26811), (5958, 23274), (7758, 17874), (8937, 15516), (11637, 11916)]