686111344

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 1445621760

約数和(自身を除く): 759510416

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 137, 184, 248, 274, 368, 439, 496, 548, 713, 878, 1096, 1426, 1756, 2192, 2852, 3151, 3512, 4247, 5704, 6302, 7024, 8494, 10097, 11408, 12604, 13609, 16988, 20194, 25208, 27218, 33976, 40388, 50416, 54436, 60143, 67952, 80776, 97681, 108872, 120286, 161552, 195362, 217744, 240572, 313007, 390724, 481144, 626014, 781448, 962288, 1252028, 1383289, 1562896, 1864433, 2504056, 2766578, 3728866, 5008112, 5533156, 7457732, 11066312, 14915464, 22132624, 29830928, 42881959, 85763918, 171527836, 343055672, 686111344]

約数ペア:

[(1, 686111344), (2, 343055672), (4, 171527836), (8, 85763918), (16, 42881959), (23, 29830928), (31, 22132624), (46, 14915464), (62, 11066312), (92, 7457732), (124, 5533156), (137, 5008112), (184, 3728866), (248, 2766578), (274, 2504056), (368, 1864433), (439, 1562896), (496, 1383289), (548, 1252028), (713, 962288), (878, 781448), (1096, 626014), (1426, 481144), (1756, 390724), (2192, 313007), (2852, 240572), (3151, 217744), (3512, 195362), (4247, 161552), (5704, 120286), (6302, 108872), (7024, 97681), (8494, 80776), (10097, 67952), (11408, 60143), (12604, 54436), (13609, 50416), (16988, 40388), (20194, 33976), (25208, 27218)]