17972181556

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1\times {\mathrm{10613}}^1$

素因数の和:11128

約数の個数: 48

約数和(自身を含む): 36247913856

約数和(自身を除く): 18275732300

約数列:

[1, 2, 4, 7, 14, 28, 197, 307, 394, 614, 788, 1228, 1379, 2149, 2758, 4298, 5516, 8596, 10613, 21226, 42452, 60479, 74291, 120958, 148582, 241916, 297164, 423353, 846706, 1693412, 2090761, 3258191, 4181522, 6516382, 8363044, 13032764, 14635327, 22807337, 29270654, 45614674, 58541308, 91229348, 641863627, 1283727254, 2567454508, 4493045389, 8986090778, 17972181556]

約数ペア:

[(1, 17972181556), (2, 8986090778), (4, 4493045389), (7, 2567454508), (14, 1283727254), (28, 641863627), (197, 91229348), (307, 58541308), (394, 45614674), (614, 29270654), (788, 22807337), (1228, 14635327), (1379, 13032764), (2149, 8363044), (2758, 6516382), (4298, 4181522), (5516, 3258191), (8596, 2090761), (10613, 1693412), (21226, 846706), (42452, 423353), (60479, 297164), (74291, 241916), (120958, 148582)]