81208426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 134628480

約数和(自身を除く): 53420054

約数列:

[1, 2, 13, 26, 59, 118, 167, 317, 334, 634, 767, 1534, 2171, 4121, 4342, 8242, 9853, 18703, 19706, 37406, 52939, 105878, 128089, 243139, 256178, 486278, 688207, 1376414, 3123401, 6246802, 40604213, 81208426]

約数ペア:

[(1, 81208426), (2, 40604213), (13, 6246802), (26, 3123401), (59, 1376414), (118, 688207), (167, 486278), (317, 256178), (334, 243139), (634, 128089), (767, 105878), (1534, 52939), (2171, 37406), (4121, 19706), (4342, 18703), (8242, 9853)]