28365568

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1439}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 70640640

約数和(自身を除く): 42275072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1232, 1408, 1439, 1792, 2464, 2816, 2878, 4928, 5756, 9856, 10073, 11512, 15829, 19712, 20146, 23024, 31658, 40292, 46048, 63316, 80584, 92096, 110803, 126632, 161168, 184192, 221606, 253264, 322336, 368384, 443212, 506528, 644672, 886424, 1013056, 1289344, 1772848, 2026112, 2578688, 3545696, 4052224, 7091392, 14182784, 28365568]

約数ペア:

[(1, 28365568), (2, 14182784), (4, 7091392), (7, 4052224), (8, 3545696), (11, 2578688), (14, 2026112), (16, 1772848), (22, 1289344), (28, 1013056), (32, 886424), (44, 644672), (56, 506528), (64, 443212), (77, 368384), (88, 322336), (112, 253264), (128, 221606), (154, 184192), (176, 161168), (224, 126632), (256, 110803), (308, 92096), (352, 80584), (448, 63316), (616, 46048), (704, 40292), (896, 31658), (1232, 23024), (1408, 20146), (1439, 19712), (1792, 15829), (2464, 11512), (2816, 10073), (2878, 9856), (4928, 5756)]