78428090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1433}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 152497296

約数和(自身を除く): 74069206

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 842, 1433, 2105, 2866, 4210, 5473, 7165, 10946, 14330, 18629, 27365, 37258, 54730, 93145, 186290, 603293, 1206586, 3016465, 6032930, 7842809, 15685618, 39214045, 78428090]

約数ペア:

[(1, 78428090), (2, 39214045), (5, 15685618), (10, 7842809), (13, 6032930), (26, 3016465), (65, 1206586), (130, 603293), (421, 186290), (842, 93145), (1433, 54730), (2105, 37258), (2866, 27365), (4210, 18629), (5473, 14330), (7165, 10946)]