257405808

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1307}}^1$

素因数の和:1702

約数の個数: 80

約数和(自身を含む): 727917696

約数和(自身を除く): 470511888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 373, 528, 746, 1119, 1307, 1492, 2238, 2614, 2984, 3921, 4103, 4476, 5228, 5968, 7842, 8206, 8952, 10456, 12309, 14377, 15684, 16412, 17904, 20912, 24618, 28754, 31368, 32824, 43131, 49236, 57508, 62736, 65648, 86262, 98472, 115016, 172524, 196944, 230032, 345048, 487511, 690096, 975022, 1462533, 1950044, 2925066, 3900088, 5362621, 5850132, 7800176, 10725242, 11700264, 16087863, 21450484, 23400528, 32175726, 42900968, 64351452, 85801936, 128702904, 257405808]

約数ペア:

[(1, 257405808), (2, 128702904), (3, 85801936), (4, 64351452), (6, 42900968), (8, 32175726), (11, 23400528), (12, 21450484), (16, 16087863), (22, 11700264), (24, 10725242), (33, 7800176), (44, 5850132), (48, 5362621), (66, 3900088), (88, 2925066), (132, 1950044), (176, 1462533), (264, 975022), (373, 690096), (528, 487511), (746, 345048), (1119, 230032), (1307, 196944), (1492, 172524), (2238, 115016), (2614, 98472), (2984, 86262), (3921, 65648), (4103, 62736), (4476, 57508), (5228, 49236), (5968, 43131), (7842, 32824), (8206, 31368), (8952, 28754), (10456, 24618), (12309, 20912), (14377, 17904), (15684, 16412)]