12842165

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 19502208

約数和(自身を除く): 6660043

約数列:

[1, 5, 7, 23, 35, 43, 49, 53, 115, 161, 215, 245, 265, 301, 371, 805, 989, 1127, 1219, 1505, 1855, 2107, 2279, 2597, 4945, 5635, 6095, 6923, 8533, 10535, 11395, 12985, 15953, 34615, 42665, 48461, 52417, 59731, 79765, 111671, 242305, 262085, 298655, 366919, 558355, 1834595, 2568433, 12842165]

約数ペア:

[(1, 12842165), (5, 2568433), (7, 1834595), (23, 558355), (35, 366919), (43, 298655), (49, 262085), (53, 242305), (115, 111671), (161, 79765), (215, 59731), (245, 52417), (265, 48461), (301, 42665), (371, 34615), (805, 15953), (989, 12985), (1127, 11395), (1219, 10535), (1505, 8533), (1855, 6923), (2107, 6095), (2279, 5635), (2597, 4945)]