389419492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1559}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 851235840

約数和(自身を除く): 461816348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 811, 1559, 1622, 3118, 3244, 5677, 6236, 8921, 10913, 11354, 17149, 17842, 21826, 22708, 34298, 35684, 43652, 62447, 68596, 120043, 124894, 240086, 249788, 480172, 1264349, 2528698, 5057396, 8850443, 13907839, 17700886, 27815678, 35401772, 55631356, 97354873, 194709746, 389419492]

約数ペア:

[(1, 389419492), (2, 194709746), (4, 97354873), (7, 55631356), (11, 35401772), (14, 27815678), (22, 17700886), (28, 13907839), (44, 8850443), (77, 5057396), (154, 2528698), (308, 1264349), (811, 480172), (1559, 249788), (1622, 240086), (3118, 124894), (3244, 120043), (5677, 68596), (6236, 62447), (8921, 43652), (10913, 35684), (11354, 34298), (17149, 22708), (17842, 21826)]