28913904

素因数分解:

$2^4\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1222

約数の個数: 60

約数和(自身を含む): 81406000

約数和(自身を除く): 52492096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 199, 398, 597, 796, 1009, 1194, 1592, 1791, 2018, 2388, 3027, 3184, 3582, 4036, 4776, 6054, 7164, 8072, 9081, 9552, 12108, 14328, 16144, 18162, 24216, 28656, 36324, 48432, 72648, 145296, 200791, 401582, 602373, 803164, 1204746, 1606328, 1807119, 2409492, 3212656, 3614238, 4818984, 7228476, 9637968, 14456952, 28913904]

約数ペア:

[(1, 28913904), (2, 14456952), (3, 9637968), (4, 7228476), (6, 4818984), (8, 3614238), (9, 3212656), (12, 2409492), (16, 1807119), (18, 1606328), (24, 1204746), (36, 803164), (48, 602373), (72, 401582), (144, 200791), (199, 145296), (398, 72648), (597, 48432), (796, 36324), (1009, 28656), (1194, 24216), (1592, 18162), (1791, 16144), (2018, 14328), (2388, 12108), (3027, 9552), (3184, 9081), (3582, 8072), (4036, 7164), (4776, 6054)]