215363486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 356257440

約数和(自身を除く): 140893954

約数列:

[1, 2, 13, 26, 53, 106, 373, 419, 689, 746, 838, 1378, 4849, 5447, 9698, 10894, 19769, 22207, 39538, 44414, 156287, 256997, 288691, 312574, 513994, 577382, 2031731, 4063462, 8283211, 16566422, 107681743, 215363486]

約数ペア:

[(1, 215363486), (2, 107681743), (13, 16566422), (26, 8283211), (53, 4063462), (106, 2031731), (373, 577382), (419, 513994), (689, 312574), (746, 288691), (838, 256997), (1378, 156287), (4849, 44414), (5447, 39538), (9698, 22207), (10894, 19769)]