2573168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 5468400

約数和(自身を除く): 2895232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 139, 178, 208, 278, 356, 556, 712, 1112, 1157, 1424, 1807, 2224, 2314, 3614, 4628, 7228, 9256, 12371, 14456, 18512, 24742, 28912, 49484, 98968, 160823, 197936, 321646, 643292, 1286584, 2573168]

約数ペア:

[(1, 2573168), (2, 1286584), (4, 643292), (8, 321646), (13, 197936), (16, 160823), (26, 98968), (52, 49484), (89, 28912), (104, 24742), (139, 18512), (178, 14456), (208, 12371), (278, 9256), (356, 7228), (556, 4628), (712, 3614), (1112, 2314), (1157, 2224), (1424, 1807)]