390703479

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 557280000

約数和(自身を除く): 166576521

約数列:

[1, 3, 19, 57, 149, 179, 257, 447, 537, 771, 2831, 3401, 4883, 8493, 10203, 14649, 26671, 38293, 46003, 80013, 114879, 138009, 506749, 727567, 874057, 1520247, 2182701, 2622171, 6854447, 20563341, 130234493, 390703479]

約数ペア:

[(1, 390703479), (3, 130234493), (19, 20563341), (57, 6854447), (149, 2622171), (179, 2182701), (257, 1520247), (447, 874057), (537, 727567), (771, 506749), (2831, 138009), (3401, 114879), (4883, 80013), (8493, 46003), (10203, 38293), (14649, 26671)]