28473655

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 43075584

約数和(自身を除く): 14601929

約数列:

[1, 5, 7, 23, 31, 35, 49, 115, 155, 161, 163, 217, 245, 713, 805, 815, 1085, 1127, 1141, 1519, 3565, 3749, 4991, 5053, 5635, 5705, 7595, 7987, 18745, 24955, 25265, 26243, 34937, 35371, 39935, 116219, 131215, 174685, 176855, 183701, 247597, 581095, 813533, 918505, 1237985, 4067665, 5694731, 28473655]

約数ペア:

[(1, 28473655), (5, 5694731), (7, 4067665), (23, 1237985), (31, 918505), (35, 813533), (49, 581095), (115, 247597), (155, 183701), (161, 176855), (163, 174685), (217, 131215), (245, 116219), (713, 39935), (805, 35371), (815, 34937), (1085, 26243), (1127, 25265), (1141, 24955), (1519, 18745), (3565, 7987), (3749, 7595), (4991, 5705), (5053, 5635)]