16931915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 12098485

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 143, 187, 199, 221, 385, 455, 595, 715, 935, 995, 1001, 1105, 1309, 1393, 1547, 2189, 2431, 2587, 3383, 5005, 6545, 6965, 7735, 10945, 12155, 12935, 15323, 16915, 17017, 18109, 23681, 28457, 37213, 43979, 76615, 85085, 90545, 118405, 142285, 186065, 199199, 219895, 260491, 307853, 483769, 995995, 1302455, 1539265, 2418845, 3386383, 16931915]

約数ペア:

[(1, 16931915), (5, 3386383), (7, 2418845), (11, 1539265), (13, 1302455), (17, 995995), (35, 483769), (55, 307853), (65, 260491), (77, 219895), (85, 199199), (91, 186065), (119, 142285), (143, 118405), (187, 90545), (199, 85085), (221, 76615), (385, 43979), (455, 37213), (595, 28457), (715, 23681), (935, 18109), (995, 17017), (1001, 16915), (1105, 15323), (1309, 12935), (1393, 12155), (1547, 10945), (2189, 7735), (2431, 6965), (2587, 6545), (3383, 5005)]