42189245

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7487}}^1$

素因数の和:7529

約数の個数: 24

約数和(自身を含む): 61461504

約数和(自身を除く): 19272259

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 7487, 37435, 52409, 172201, 262045, 366863, 861005, 1205407, 1834315, 6027035, 8437849, 42189245]

約数ペア:

[(1, 42189245), (5, 8437849), (7, 6027035), (23, 1834315), (35, 1205407), (49, 861005), (115, 366863), (161, 262045), (245, 172201), (805, 52409), (1127, 37435), (5635, 7487)]