420836312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{56993}}^1$

素因数の和:57083

約数の個数: 32

約数和(自身を含む): 861749280

約数和(自身を除く): 440912968

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 56993, 113986, 227972, 455944, 740909, 1481818, 2963636, 4046503, 5927272, 8093006, 16186012, 32372024, 52604539, 105209078, 210418156, 420836312]

約数ペア:

[(1, 420836312), (2, 210418156), (4, 105209078), (8, 52604539), (13, 32372024), (26, 16186012), (52, 8093006), (71, 5927272), (104, 4046503), (142, 2963636), (284, 1481818), (568, 740909), (923, 455944), (1846, 227972), (3692, 113986), (7384, 56993)]