12904705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 18195840

約数和(自身を除く): 5291135

約数列:

[1, 5, 11, 19, 53, 55, 95, 209, 233, 265, 583, 1007, 1045, 1165, 2563, 2915, 4427, 5035, 11077, 12349, 12815, 22135, 48697, 55385, 61745, 135839, 234631, 243485, 679195, 1173155, 2580941, 12904705]

約数ペア:

[(1, 12904705), (5, 2580941), (11, 1173155), (19, 679195), (53, 243485), (55, 234631), (95, 135839), (209, 61745), (233, 55385), (265, 48697), (583, 22135), (1007, 12815), (1045, 12349), (1165, 11077), (2563, 5035), (2915, 4427)]