1388357278

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1117}}^1\times {\mathrm{1153}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 2647432944

約数和(自身を除く): 1259075666

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 1117, 1153, 2234, 2306, 7819, 8071, 12287, 12683, 15638, 16142, 24574, 25366, 54733, 56497, 86009, 88781, 109466, 112994, 172018, 177562, 602063, 621467, 1204126, 1242934, 1287901, 2575802, 9015307, 14166911, 18030614, 28333822, 63107149, 99168377, 126214298, 198336754, 694178639, 1388357278]

約数ペア:

[(1, 1388357278), (2, 694178639), (7, 198336754), (11, 126214298), (14, 99168377), (22, 63107149), (49, 28333822), (77, 18030614), (98, 14166911), (154, 9015307), (539, 2575802), (1078, 1287901), (1117, 1242934), (1153, 1204126), (2234, 621467), (2306, 602063), (7819, 177562), (8071, 172018), (12287, 112994), (12683, 109466), (15638, 88781), (16142, 86009), (24574, 56497), (25366, 54733)]