215689786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3187}}^1$

素因数の和:3358

約数の個数: 32

約数和(自身を含む): 369552960

約数和(自身を除く): 153863174

約数列:

[1, 2, 13, 19, 26, 38, 137, 247, 274, 494, 1781, 2603, 3187, 3562, 5206, 6374, 33839, 41431, 60553, 67678, 82862, 121106, 436619, 787189, 873238, 1574378, 5676047, 8295761, 11352094, 16591522, 107844893, 215689786]

約数ペア:

[(1, 215689786), (2, 107844893), (13, 16591522), (19, 11352094), (26, 8295761), (38, 5676047), (137, 1574378), (247, 873238), (274, 787189), (494, 436619), (1781, 121106), (2603, 82862), (3187, 67678), (3562, 60553), (5206, 41431), (6374, 33839)]