1648271004121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{8461}}^1\times {\mathrm{13399}}^1$

素因数の和:21965

約数の個数: 32

約数和(自身を含む): 1973907046400

約数和(自身を除く): 325636042279

約数列:

[1, 7, 31, 67, 217, 469, 2077, 8461, 13399, 14539, 59227, 93793, 262291, 415369, 566887, 897733, 1836037, 2907583, 3968209, 6284131, 17573497, 27829723, 113368939, 123014479, 194808061, 793582573, 3514437109, 7595718913, 24601059763, 53170032391, 235467286303, 1648271004121]

約数ペア:

[(1, 1648271004121), (7, 235467286303), (31, 53170032391), (67, 24601059763), (217, 7595718913), (469, 3514437109), (2077, 793582573), (8461, 194808061), (13399, 123014479), (14539, 113368939), (59227, 27829723), (93793, 17573497), (262291, 6284131), (415369, 3968209), (566887, 2907583), (897733, 1836037)]