1397396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 3292800

約数和(自身を除く): 1895404

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 349, 364, 572, 698, 1001, 1396, 2002, 2443, 3839, 4004, 4537, 4886, 7678, 9074, 9772, 15356, 18148, 26873, 31759, 49907, 53746, 63518, 99814, 107492, 127036, 199628, 349349, 698698, 1397396]

約数ペア:

[(1, 1397396), (2, 698698), (4, 349349), (7, 199628), (11, 127036), (13, 107492), (14, 99814), (22, 63518), (26, 53746), (28, 49907), (44, 31759), (52, 26873), (77, 18148), (91, 15356), (143, 9772), (154, 9074), (182, 7678), (286, 4886), (308, 4537), (349, 4004), (364, 3839), (572, 2443), (698, 2002), (1001, 1396)]