215566856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 447638400

約数和(自身を除く): 232071544

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 197, 313, 394, 437, 626, 788, 874, 1252, 1576, 1748, 2504, 3496, 3743, 4531, 5947, 7199, 7486, 9062, 11894, 14398, 14972, 18124, 23788, 28796, 29944, 36248, 47576, 57592, 61661, 86089, 123322, 136781, 172178, 246644, 273562, 344356, 493288, 547124, 688712, 1094248, 1171559, 1418203, 2343118, 2836406, 4686236, 5672812, 9372472, 11345624, 26945857, 53891714, 107783428, 215566856]

約数ペア:

[(1, 215566856), (2, 107783428), (4, 53891714), (8, 26945857), (19, 11345624), (23, 9372472), (38, 5672812), (46, 4686236), (76, 2836406), (92, 2343118), (152, 1418203), (184, 1171559), (197, 1094248), (313, 688712), (394, 547124), (437, 493288), (626, 344356), (788, 273562), (874, 246644), (1252, 172178), (1576, 136781), (1748, 123322), (2504, 86089), (3496, 61661), (3743, 57592), (4531, 47576), (5947, 36248), (7199, 29944), (7486, 28796), (9062, 23788), (11894, 18124), (14398, 14972)]