81666871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 19939529

約数列:

[1, 11, 13, 29, 47, 143, 319, 377, 419, 517, 611, 1363, 4147, 4609, 5447, 6721, 12151, 14993, 17719, 19693, 59917, 133661, 157963, 194909, 216623, 256009, 571097, 1737593, 2816099, 6282067, 7424261, 81666871]

約数ペア:

[(1, 81666871), (11, 7424261), (13, 6282067), (29, 2816099), (47, 1737593), (143, 571097), (319, 256009), (377, 216623), (419, 194909), (517, 157963), (611, 133661), (1363, 59917), (4147, 19693), (4609, 17719), (5447, 14993), (6721, 12151)]