168889257572

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1\times {\mathrm{72727}}^1$

素因数の和:73356

約数の個数: 48

約数和(自身を含む): 340304203008

約数和(自身を除く): 171414945436

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 421, 788, 842, 1379, 1684, 2758, 2947, 5516, 5894, 11788, 72727, 82937, 145454, 165874, 290908, 331748, 509089, 580559, 1018178, 1161118, 2036356, 2322236, 14327219, 28654438, 30618067, 57308876, 61236134, 100290533, 122472268, 200581066, 214326469, 401162132, 428652938, 857305876, 6031759199, 12063518398, 24127036796, 42222314393, 84444628786, 168889257572]

約数ペア:

[(1, 168889257572), (2, 84444628786), (4, 42222314393), (7, 24127036796), (14, 12063518398), (28, 6031759199), (197, 857305876), (394, 428652938), (421, 401162132), (788, 214326469), (842, 200581066), (1379, 122472268), (1684, 100290533), (2758, 61236134), (2947, 57308876), (5516, 30618067), (5894, 28654438), (11788, 14327219), (72727, 2322236), (82937, 2036356), (145454, 1161118), (165874, 1018178), (290908, 580559), (331748, 509089)]