257069648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{569}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 580141440

約数和(自身を除く): 323071792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 151, 176, 187, 272, 302, 374, 569, 604, 748, 1138, 1208, 1496, 1661, 2276, 2416, 2567, 2992, 3322, 4552, 5134, 6259, 6644, 9104, 9673, 10268, 12518, 13288, 19346, 20536, 25036, 26576, 28237, 38692, 41072, 50072, 56474, 77384, 85919, 100144, 106403, 112948, 154768, 171838, 212806, 225896, 343676, 425612, 451792, 687352, 851224, 945109, 1374704, 1460623, 1702448, 1890218, 2921246, 3780436, 5842492, 7560872, 11684984, 15121744, 16066853, 23369968, 32133706, 64267412, 128534824, 257069648]

約数ペア:

[(1, 257069648), (2, 128534824), (4, 64267412), (8, 32133706), (11, 23369968), (16, 16066853), (17, 15121744), (22, 11684984), (34, 7560872), (44, 5842492), (68, 3780436), (88, 2921246), (136, 1890218), (151, 1702448), (176, 1460623), (187, 1374704), (272, 945109), (302, 851224), (374, 687352), (569, 451792), (604, 425612), (748, 343676), (1138, 225896), (1208, 212806), (1496, 171838), (1661, 154768), (2276, 112948), (2416, 106403), (2567, 100144), (2992, 85919), (3322, 77384), (4552, 56474), (5134, 50072), (6259, 41072), (6644, 38692), (9104, 28237), (9673, 26576), (10268, 25036), (12518, 20536), (13288, 19346)]