87781862

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 159041280

約数和(自身を除く): 71259418

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 331, 662, 997, 1994, 2317, 4634, 6289, 6979, 12578, 13958, 18943, 37886, 44023, 88046, 132601, 265202, 330007, 660014, 2310049, 4620098, 6270133, 12540266, 43890931, 87781862]

約数ペア:

[(1, 87781862), (2, 43890931), (7, 12540266), (14, 6270133), (19, 4620098), (38, 2310049), (133, 660014), (266, 330007), (331, 265202), (662, 132601), (997, 88046), (1994, 44023), (2317, 37886), (4634, 18943), (6289, 13958), (6979, 12578)]