256899604

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 537384960

約数和(自身を除く): 280485356

約数列:

[1, 2, 4, 13, 23, 26, 31, 41, 46, 52, 62, 82, 92, 124, 164, 169, 299, 338, 403, 533, 598, 676, 713, 806, 943, 1066, 1196, 1271, 1426, 1612, 1886, 2132, 2197, 2542, 2852, 3772, 3887, 4394, 5084, 5239, 6929, 7774, 8788, 9269, 10478, 12259, 13858, 15548, 16523, 18538, 20956, 24518, 27716, 29233, 33046, 37076, 49036, 50531, 58466, 66092, 68107, 90077, 101062, 116932, 120497, 136214, 159367, 180154, 202124, 214799, 240994, 272428, 318734, 360308, 380029, 429598, 481988, 637468, 760058, 859196, 1520116, 1566461, 2071771, 2792387, 3132922, 4143542, 4940377, 5584774, 6265844, 8287084, 9880754, 11169548, 19761508, 64224901, 128449802, 256899604]

約数ペア:

[(1, 256899604), (2, 128449802), (4, 64224901), (13, 19761508), (23, 11169548), (26, 9880754), (31, 8287084), (41, 6265844), (46, 5584774), (52, 4940377), (62, 4143542), (82, 3132922), (92, 2792387), (124, 2071771), (164, 1566461), (169, 1520116), (299, 859196), (338, 760058), (403, 637468), (533, 481988), (598, 429598), (676, 380029), (713, 360308), (806, 318734), (943, 272428), (1066, 240994), (1196, 214799), (1271, 202124), (1426, 180154), (1612, 159367), (1886, 136214), (2132, 120497), (2197, 116932), (2542, 101062), (2852, 90077), (3772, 68107), (3887, 66092), (4394, 58466), (5084, 50531), (5239, 49036), (6929, 37076), (7774, 33046), (8788, 29233), (9269, 27716), (10478, 24518), (12259, 20956), (13858, 18538), (15548, 16523)]