213477404

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1471}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 439197696

約数和(自身を除く): 225720292

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 142, 146, 284, 292, 497, 511, 994, 1022, 1471, 1988, 2044, 2942, 5183, 5884, 10297, 10366, 20594, 20732, 36281, 41188, 72562, 104441, 107383, 145124, 208882, 214766, 417764, 429532, 731087, 751681, 1462174, 1503362, 2924348, 3006724, 7624193, 15248386, 30496772, 53369351, 106738702, 213477404]

約数ペア:

[(1, 213477404), (2, 106738702), (4, 53369351), (7, 30496772), (14, 15248386), (28, 7624193), (71, 3006724), (73, 2924348), (142, 1503362), (146, 1462174), (284, 751681), (292, 731087), (497, 429532), (511, 417764), (994, 214766), (1022, 208882), (1471, 145124), (1988, 107383), (2044, 104441), (2942, 72562), (5183, 41188), (5884, 36281), (10297, 20732), (10366, 20594)]