212955904

素因数分解:

$2^8\times 7^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 489644288

約数和(自身を除く): 276688384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 151, 224, 256, 302, 448, 604, 787, 896, 1057, 1208, 1574, 1792, 2114, 2416, 3148, 4228, 4832, 5509, 6296, 8456, 9664, 11018, 12592, 16912, 19328, 22036, 25184, 33824, 38656, 44072, 50368, 67648, 88144, 100736, 118837, 135296, 176288, 201472, 237674, 270592, 352576, 475348, 705152, 831859, 950696, 1410304, 1663718, 1901392, 3327436, 3802784, 6654872, 7605568, 13309744, 15211136, 26619488, 30422272, 53238976, 106477952, 212955904]

約数ペア:

[(1, 212955904), (2, 106477952), (4, 53238976), (7, 30422272), (8, 26619488), (14, 15211136), (16, 13309744), (28, 7605568), (32, 6654872), (56, 3802784), (64, 3327436), (112, 1901392), (128, 1663718), (151, 1410304), (224, 950696), (256, 831859), (302, 705152), (448, 475348), (604, 352576), (787, 270592), (896, 237674), (1057, 201472), (1208, 176288), (1574, 135296), (1792, 118837), (2114, 100736), (2416, 88144), (3148, 67648), (4228, 50368), (4832, 44072), (5509, 38656), (6296, 33824), (8456, 25184), (9664, 22036), (11018, 19328), (12592, 16912)]