81021766

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 144555840

約数和(自身を除く): 63534074

約数列:

[1, 2, 7, 14, 29, 58, 197, 203, 394, 406, 1013, 1379, 2026, 2758, 5713, 7091, 11426, 14182, 29377, 39991, 58754, 79982, 199561, 205639, 399122, 411278, 1396927, 2793854, 5787269, 11574538, 40510883, 81021766]

約数ペア:

[(1, 81021766), (2, 40510883), (7, 11574538), (14, 5787269), (29, 2793854), (58, 1396927), (197, 411278), (203, 399122), (394, 205639), (406, 199561), (1013, 79982), (1379, 58754), (2026, 39991), (2758, 29377), (5713, 14182), (7091, 11426)]