2005659404

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{2749}}^1$

素因数の和:3198

約数の個数: 48

約数和(自身を含む): 4080384000

約数和(自身を除く): 2074724596

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 367, 497, 734, 994, 1468, 1988, 2569, 2749, 5138, 5498, 10276, 10996, 19243, 26057, 38486, 52114, 76972, 104228, 182399, 195179, 364798, 390358, 729596, 780716, 1008883, 1366253, 2017766, 2732506, 4035532, 5465012, 7062181, 14124362, 28248724, 71630693, 143261386, 286522772, 501414851, 1002829702, 2005659404]

約数ペア:

[(1, 2005659404), (2, 1002829702), (4, 501414851), (7, 286522772), (14, 143261386), (28, 71630693), (71, 28248724), (142, 14124362), (284, 7062181), (367, 5465012), (497, 4035532), (734, 2732506), (994, 2017766), (1468, 1366253), (1988, 1008883), (2569, 780716), (2749, 729596), (5138, 390358), (5498, 364798), (10276, 195179), (10996, 182399), (19243, 104228), (26057, 76972), (38486, 52114)]