643473415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 883213632

約数和(自身を除く): 239740217

約数列:

[1, 5, 13, 23, 65, 113, 115, 169, 293, 299, 565, 845, 1465, 1469, 1495, 2599, 3809, 3887, 6739, 7345, 12995, 19045, 19097, 19435, 33109, 33695, 33787, 49517, 87607, 95485, 165545, 168935, 247585, 430417, 438035, 439231, 761507, 1138891, 2152085, 2196155, 3807535, 5595421, 5694455, 9899591, 27977105, 49497955, 128694683, 643473415]

約数ペア:

[(1, 643473415), (5, 128694683), (13, 49497955), (23, 27977105), (65, 9899591), (113, 5694455), (115, 5595421), (169, 3807535), (293, 2196155), (299, 2152085), (565, 1138891), (845, 761507), (1465, 439231), (1469, 438035), (1495, 430417), (2599, 247585), (3809, 168935), (3887, 165545), (6739, 95485), (7345, 87607), (12995, 49517), (19045, 33787), (19097, 33695), (19435, 33109)]