636558736

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 80

約数和(自身を含む): 1378947456

約数和(自身を除く): 742388720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 121, 142, 176, 242, 284, 421, 484, 568, 781, 842, 968, 1136, 1331, 1562, 1684, 1936, 2662, 3124, 3368, 4631, 5324, 6248, 6736, 8591, 9262, 10648, 12496, 17182, 18524, 21296, 29891, 34364, 37048, 50941, 59782, 68728, 74096, 94501, 101882, 119564, 137456, 189002, 203764, 239128, 328801, 378004, 407528, 478256, 560351, 657602, 756008, 815056, 1120702, 1315204, 1512016, 2241404, 2630408, 3616811, 4482808, 5260816, 7233622, 8965616, 14467244, 28934488, 39784921, 57868976, 79569842, 159139684, 318279368, 636558736]

約数ペア:

[(1, 636558736), (2, 318279368), (4, 159139684), (8, 79569842), (11, 57868976), (16, 39784921), (22, 28934488), (44, 14467244), (71, 8965616), (88, 7233622), (121, 5260816), (142, 4482808), (176, 3616811), (242, 2630408), (284, 2241404), (421, 1512016), (484, 1315204), (568, 1120702), (781, 815056), (842, 756008), (968, 657602), (1136, 560351), (1331, 478256), (1562, 407528), (1684, 378004), (1936, 328801), (2662, 239128), (3124, 203764), (3368, 189002), (4631, 137456), (5324, 119564), (6248, 101882), (6736, 94501), (8591, 74096), (9262, 68728), (10648, 59782), (12496, 50941), (17182, 37048), (18524, 34364), (21296, 29891)]