687310688

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{373}}^1\times {\mathrm{647}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 1374135840

約数和(自身を除く): 686825152

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 373, 647, 712, 746, 1294, 1424, 1492, 2588, 2848, 2984, 5176, 5968, 10352, 11936, 20704, 33197, 57583, 66394, 115166, 132788, 230332, 241331, 265576, 460664, 482662, 531152, 921328, 965324, 1062304, 1842656, 1930648, 3861296, 7722592, 21478459, 42956918, 85913836, 171827672, 343655344, 687310688]

約数ペア:

[(1, 687310688), (2, 343655344), (4, 171827672), (8, 85913836), (16, 42956918), (32, 21478459), (89, 7722592), (178, 3861296), (356, 1930648), (373, 1842656), (647, 1062304), (712, 965324), (746, 921328), (1294, 531152), (1424, 482662), (1492, 460664), (2588, 265576), (2848, 241331), (2984, 230332), (5176, 132788), (5968, 115166), (10352, 66394), (11936, 57583), (20704, 33197)]