221545984

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:451

約数の個数: 80

約数和(自身を含む): 488093760

約数和(自身を除く): 266547776

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 139, 176, 256, 278, 283, 352, 512, 556, 566, 704, 1112, 1132, 1408, 1529, 2224, 2264, 2816, 3058, 3113, 4448, 4528, 5632, 6116, 6226, 8896, 9056, 12232, 12452, 17792, 18112, 24464, 24904, 35584, 36224, 39337, 48928, 49808, 71168, 72448, 78674, 97856, 99616, 144896, 157348, 195712, 199232, 314696, 391424, 398464, 432707, 629392, 782848, 796928, 865414, 1258784, 1593856, 1730828, 2517568, 3461656, 5035136, 6923312, 10070272, 13846624, 20140544, 27693248, 55386496, 110772992, 221545984]

約数ペア:

[(1, 221545984), (2, 110772992), (4, 55386496), (8, 27693248), (11, 20140544), (16, 13846624), (22, 10070272), (32, 6923312), (44, 5035136), (64, 3461656), (88, 2517568), (128, 1730828), (139, 1593856), (176, 1258784), (256, 865414), (278, 796928), (283, 782848), (352, 629392), (512, 432707), (556, 398464), (566, 391424), (704, 314696), (1112, 199232), (1132, 195712), (1408, 157348), (1529, 144896), (2224, 99616), (2264, 97856), (2816, 78674), (3058, 72448), (3113, 71168), (4448, 49808), (4528, 48928), (5632, 39337), (6116, 36224), (6226, 35584), (8896, 24904), (9056, 24464), (12232, 18112), (12452, 17792)]