221880064

素因数分解:

$2^8\times 7^1\times {\mathrm{123817}}^1$

素因数の和:123840

約数の個数: 36

約数和(自身を含む): 506167984

約数和(自身を除く): 284287920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 123817, 247634, 495268, 866719, 990536, 1733438, 1981072, 3466876, 3962144, 6933752, 7924288, 13867504, 15848576, 27735008, 31697152, 55470016, 110940032, 221880064]

約数ペア:

[(1, 221880064), (2, 110940032), (4, 55470016), (7, 31697152), (8, 27735008), (14, 15848576), (16, 13867504), (28, 7924288), (32, 6933752), (56, 3962144), (64, 3466876), (112, 1981072), (128, 1733438), (224, 990536), (256, 866719), (448, 495268), (896, 247634), (1792, 123817)]