87689693

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 116471040

約数和(自身を除く): 28781347

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 533, 779, 1237, 1729, 3731, 5453, 8659, 10127, 16081, 23503, 50717, 70889, 112567, 164521, 305539, 355019, 659321, 963623, 2138773, 4615247, 6745361, 12527099, 87689693]

約数ペア:

[(1, 87689693), (7, 12527099), (13, 6745361), (19, 4615247), (41, 2138773), (91, 963623), (133, 659321), (247, 355019), (287, 305539), (533, 164521), (779, 112567), (1237, 70889), (1729, 50717), (3731, 23503), (5453, 16081), (8659, 10127)]