278320119

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 477757440

約数和(自身を除く): 199437321

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 127, 159, 179, 231, 371, 381, 537, 583, 889, 1113, 1253, 1397, 1749, 1969, 2667, 3759, 4081, 4191, 5907, 6731, 9487, 9779, 12243, 13783, 20193, 22733, 28461, 29337, 41349, 47117, 66409, 68199, 74041, 104357, 141351, 159131, 199227, 222123, 250063, 313071, 477393, 518287, 730499, 750189, 1204849, 1554861, 1750441, 2191497, 3614547, 5251323, 8433943, 13253339, 25301829, 39760017, 92773373, 278320119]

約数ペア:

[(1, 278320119), (3, 92773373), (7, 39760017), (11, 25301829), (21, 13253339), (33, 8433943), (53, 5251323), (77, 3614547), (127, 2191497), (159, 1750441), (179, 1554861), (231, 1204849), (371, 750189), (381, 730499), (537, 518287), (583, 477393), (889, 313071), (1113, 250063), (1253, 222123), (1397, 199227), (1749, 159131), (1969, 141351), (2667, 104357), (3759, 74041), (4081, 68199), (4191, 66409), (5907, 47117), (6731, 41349), (9487, 29337), (9779, 28461), (12243, 22733), (13783, 20193)]