647776324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 1303791552

約数和(自身を除く): 656015228

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 169, 244, 299, 338, 598, 676, 683, 793, 1196, 1366, 1403, 1586, 2732, 2806, 3172, 3887, 5612, 7774, 8879, 10309, 15548, 15709, 17758, 18239, 20618, 31418, 35516, 36478, 41236, 41663, 62836, 72956, 83326, 115427, 166652, 204217, 230854, 237107, 408434, 461708, 474214, 541619, 816868, 948428, 958249, 1083238, 1916498, 2166476, 2654821, 3832996, 5309642, 7041047, 10619284, 12457237, 14082094, 24914474, 28164188, 49828948, 161944081, 323888162, 647776324]

約数ペア:

[(1, 647776324), (2, 323888162), (4, 161944081), (13, 49828948), (23, 28164188), (26, 24914474), (46, 14082094), (52, 12457237), (61, 10619284), (92, 7041047), (122, 5309642), (169, 3832996), (244, 2654821), (299, 2166476), (338, 1916498), (598, 1083238), (676, 958249), (683, 948428), (793, 816868), (1196, 541619), (1366, 474214), (1403, 461708), (1586, 408434), (2732, 237107), (2806, 230854), (3172, 204217), (3887, 166652), (5612, 115427), (7774, 83326), (8879, 72956), (10309, 62836), (15548, 41663), (15709, 41236), (17758, 36478), (18239, 35516), (20618, 31418)]