256513008

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 688046240

約数和(自身を除く): 431533232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 97, 111, 148, 194, 222, 291, 296, 388, 444, 582, 592, 776, 888, 1164, 1489, 1552, 1776, 2328, 2978, 3589, 4467, 4656, 5956, 7178, 8934, 10767, 11912, 14356, 17868, 21534, 23824, 28712, 35736, 43068, 55093, 57424, 71472, 86136, 110186, 144433, 165279, 172272, 220372, 288866, 330558, 433299, 440744, 577732, 661116, 866598, 881488, 1155464, 1322232, 1733196, 2310928, 2644464, 3466392, 5344021, 6932784, 10688042, 16032063, 21376084, 32064126, 42752168, 64128252, 85504336, 128256504, 256513008]

約数ペア:

[(1, 256513008), (2, 128256504), (3, 85504336), (4, 64128252), (6, 42752168), (8, 32064126), (12, 21376084), (16, 16032063), (24, 10688042), (37, 6932784), (48, 5344021), (74, 3466392), (97, 2644464), (111, 2310928), (148, 1733196), (194, 1322232), (222, 1155464), (291, 881488), (296, 866598), (388, 661116), (444, 577732), (582, 440744), (592, 433299), (776, 330558), (888, 288866), (1164, 220372), (1489, 172272), (1552, 165279), (1776, 144433), (2328, 110186), (2978, 86136), (3589, 71472), (4467, 57424), (4656, 55093), (5956, 43068), (7178, 35736), (8934, 28712), (10767, 23824), (11912, 21534), (14356, 17868)]