663892528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5419}}^1$

素因数の和:5490

約数の個数: 80

約数和(自身を含む): 1505459200

約数和(自身を除く): 841566672

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 2356, 3224, 3952, 4712, 5419, 6448, 7657, 9424, 10838, 15314, 21676, 30628, 43352, 61256, 70447, 86704, 102961, 122512, 140894, 167989, 205922, 281788, 335978, 411844, 563576, 671956, 823688, 1127152, 1338493, 1343912, 1647376, 2183857, 2676986, 2687824, 3191791, 4367714, 5353972, 6383582, 8735428, 10707944, 12767164, 17470856, 21415888, 25534328, 34941712, 41493283, 51068656, 82986566, 165973132, 331946264, 663892528]

約数ペア:

[(1, 663892528), (2, 331946264), (4, 165973132), (8, 82986566), (13, 51068656), (16, 41493283), (19, 34941712), (26, 25534328), (31, 21415888), (38, 17470856), (52, 12767164), (62, 10707944), (76, 8735428), (104, 6383582), (124, 5353972), (152, 4367714), (208, 3191791), (247, 2687824), (248, 2676986), (304, 2183857), (403, 1647376), (494, 1343912), (496, 1338493), (589, 1127152), (806, 823688), (988, 671956), (1178, 563576), (1612, 411844), (1976, 335978), (2356, 281788), (3224, 205922), (3952, 167989), (4712, 140894), (5419, 122512), (6448, 102961), (7657, 86704), (9424, 70447), (10838, 61256), (15314, 43352), (21676, 30628)]