287691003995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{739}}^1\times {\mathrm{2477}}^1$

素因数の和:3324

約数の個数: 48

約数和(自身を含む): 374893051680

約数和(自身を除く): 87202047685

約数列:

[1, 5, 17, 43, 85, 215, 731, 739, 1849, 2477, 3655, 3695, 9245, 12385, 12563, 31433, 31777, 42109, 62815, 106511, 157165, 158885, 210545, 532555, 540209, 1366411, 1810687, 1830503, 2701045, 4579973, 6832055, 9053435, 9152515, 22899865, 23228987, 31118551, 77859541, 78711629, 116144935, 155592755, 389297705, 393558145, 1338097693, 3384600047, 6690488465, 16923000235, 57538200799, 287691003995]

約数ペア:

[(1, 287691003995), (5, 57538200799), (17, 16923000235), (43, 6690488465), (85, 3384600047), (215, 1338097693), (731, 393558145), (739, 389297705), (1849, 155592755), (2477, 116144935), (3655, 78711629), (3695, 77859541), (9245, 31118551), (12385, 23228987), (12563, 22899865), (31433, 9152515), (31777, 9053435), (42109, 6832055), (62815, 4579973), (106511, 2701045), (157165, 1830503), (158885, 1810687), (210545, 1366411), (532555, 540209)]