15915691652

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{777589}}^1$

素因数の和:777660

約数の個数: 48

約数和(自身を含む): 34487671680

約数和(自身を除く): 18571980028

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 1204, 1462, 2924, 5117, 10234, 20468, 777589, 1555178, 3110356, 5443123, 10886246, 13219013, 21772492, 26438026, 33436327, 52876052, 66872654, 92533091, 133745308, 185066182, 234054289, 370132364, 468108578, 568417559, 936217156, 1136835118, 2273670236, 3978922913, 7957845826, 15915691652]

約数ペア:

[(1, 15915691652), (2, 7957845826), (4, 3978922913), (7, 2273670236), (14, 1136835118), (17, 936217156), (28, 568417559), (34, 468108578), (43, 370132364), (68, 234054289), (86, 185066182), (119, 133745308), (172, 92533091), (238, 66872654), (301, 52876052), (476, 33436327), (602, 26438026), (731, 21772492), (1204, 13219013), (1462, 10886246), (2924, 5443123), (5117, 3110356), (10234, 1555178), (20468, 777589)]