317657860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1221761}}^1$

素因数の和:1221783

約数の個数: 24

約数和(自身を含む): 718396056

約数和(自身を除く): 400738196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1221761, 2443522, 4887044, 6108805, 12217610, 15882893, 24435220, 31765786, 63531572, 79414465, 158828930, 317657860]

約数ペア:

[(1, 317657860), (2, 158828930), (4, 79414465), (5, 63531572), (10, 31765786), (13, 24435220), (20, 15882893), (26, 12217610), (52, 6108805), (65, 4887044), (130, 2443522), (260, 1221761)]