639833056

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 1388620800

約数和(自身を除く): 748787744

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 83, 124, 152, 166, 248, 304, 332, 409, 496, 589, 608, 664, 818, 992, 1178, 1328, 1577, 1636, 2356, 2573, 2656, 3154, 3272, 4712, 5146, 6308, 6544, 7771, 9424, 10292, 12616, 12679, 13088, 15542, 18848, 20584, 25232, 25358, 31084, 33947, 41168, 48887, 50464, 50716, 62168, 67894, 82336, 97774, 101432, 124336, 135788, 195548, 202864, 240901, 248672, 271576, 391096, 405728, 481802, 543152, 644993, 782192, 963604, 1052357, 1086304, 1289986, 1564384, 1927208, 2104714, 2579972, 3854416, 4209428, 5159944, 7708832, 8418856, 10319888, 16837712, 19994783, 20639776, 33675424, 39989566, 79979132, 159958264, 319916528, 639833056]

約数ペア:

[(1, 639833056), (2, 319916528), (4, 159958264), (8, 79979132), (16, 39989566), (19, 33675424), (31, 20639776), (32, 19994783), (38, 16837712), (62, 10319888), (76, 8418856), (83, 7708832), (124, 5159944), (152, 4209428), (166, 3854416), (248, 2579972), (304, 2104714), (332, 1927208), (409, 1564384), (496, 1289986), (589, 1086304), (608, 1052357), (664, 963604), (818, 782192), (992, 644993), (1178, 543152), (1328, 481802), (1577, 405728), (1636, 391096), (2356, 271576), (2573, 248672), (2656, 240901), (3154, 202864), (3272, 195548), (4712, 135788), (5146, 124336), (6308, 101432), (6544, 97774), (7771, 82336), (9424, 67894), (10292, 62168), (12616, 50716), (12679, 50464), (13088, 48887), (15542, 41168), (18848, 33947), (20584, 31084), (25232, 25358)]