398421042

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{22039}}^1$

素因数の和:22198

約数の個数: 32

約数和(自身を含む): 837872640

約数和(自身を除く): 439451598

約数列:

[1, 2, 3, 6, 23, 46, 69, 131, 138, 262, 393, 786, 3013, 6026, 9039, 18078, 22039, 44078, 66117, 132234, 506897, 1013794, 1520691, 2887109, 3041382, 5774218, 8661327, 17322654, 66403507, 132807014, 199210521, 398421042]

約数ペア:

[(1, 398421042), (2, 199210521), (3, 132807014), (6, 66403507), (23, 17322654), (46, 8661327), (69, 5774218), (131, 3041382), (138, 2887109), (262, 1520691), (393, 1013794), (786, 506897), (3013, 132234), (6026, 66117), (9039, 44078), (18078, 22039)]