257591988615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{3659237}}^1$

素因数の和:3659296

約数の個数: 48

約数和(自身を含む): 468441011808

約数和(自身を除く): 210849023193

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 361, 741, 1083, 1235, 1805, 3705, 4693, 5415, 14079, 23465, 70395, 3659237, 10977711, 18296185, 47570081, 54888555, 69525503, 142710243, 208576509, 237850405, 347627515, 713551215, 903831539, 1042882545, 1320984557, 2711494617, 3962953671, 4519157695, 6604922785, 13557473085, 17172799241, 19814768355, 51518397723, 85863996205, 257591988615]

約数ペア:

[(1, 257591988615), (3, 85863996205), (5, 51518397723), (13, 19814768355), (15, 17172799241), (19, 13557473085), (39, 6604922785), (57, 4519157695), (65, 3962953671), (95, 2711494617), (195, 1320984557), (247, 1042882545), (285, 903831539), (361, 713551215), (741, 347627515), (1083, 237850405), (1235, 208576509), (1805, 142710243), (3705, 69525503), (4693, 54888555), (5415, 47570081), (14079, 18296185), (23465, 10977711), (70395, 3659237)]