1257768

素因数分解:

$2^3\times 3^5\times {\mathrm{647}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 3538080

約数和(自身を除く): 2280312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 647, 648, 972, 1294, 1941, 1944, 2588, 3882, 5176, 5823, 7764, 11646, 15528, 17469, 23292, 34938, 46584, 52407, 69876, 104814, 139752, 157221, 209628, 314442, 419256, 628884, 1257768]

約数ペア:

[(1, 1257768), (2, 628884), (3, 419256), (4, 314442), (6, 209628), (8, 157221), (9, 139752), (12, 104814), (18, 69876), (24, 52407), (27, 46584), (36, 34938), (54, 23292), (72, 17469), (81, 15528), (108, 11646), (162, 7764), (216, 5823), (243, 5176), (324, 3882), (486, 2588), (647, 1944), (648, 1941), (972, 1294)]