215567872

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:403

約数の個数: 80

約数和(自身を含む): 469188720

約数和(自身を除く): 253620848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 208, 233, 256, 278, 416, 466, 512, 556, 832, 932, 1112, 1664, 1807, 1864, 2224, 3029, 3328, 3614, 3728, 4448, 6058, 6656, 7228, 7456, 8896, 12116, 14456, 14912, 17792, 24232, 28912, 29824, 32387, 35584, 48464, 57824, 59648, 64774, 71168, 96928, 115648, 119296, 129548, 193856, 231296, 259096, 387712, 421031, 462592, 518192, 775424, 842062, 925184, 1036384, 1550848, 1684124, 2072768, 3368248, 4145536, 6736496, 8291072, 13472992, 16582144, 26945984, 53891968, 107783936, 215567872]

約数ペア:

[(1, 215567872), (2, 107783936), (4, 53891968), (8, 26945984), (13, 16582144), (16, 13472992), (26, 8291072), (32, 6736496), (52, 4145536), (64, 3368248), (104, 2072768), (128, 1684124), (139, 1550848), (208, 1036384), (233, 925184), (256, 842062), (278, 775424), (416, 518192), (466, 462592), (512, 421031), (556, 387712), (832, 259096), (932, 231296), (1112, 193856), (1664, 129548), (1807, 119296), (1864, 115648), (2224, 96928), (3029, 71168), (3328, 64774), (3614, 59648), (3728, 57824), (4448, 48464), (6058, 35584), (6656, 32387), (7228, 29824), (7456, 28912), (8896, 24232), (12116, 17792), (14456, 14912)]