25989172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 52746624

約数和(自身を除く): 26757452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 61, 92, 122, 244, 253, 421, 506, 671, 842, 1012, 1342, 1403, 1684, 2684, 2806, 4631, 5612, 9262, 9683, 15433, 18524, 19366, 25681, 30866, 38732, 51362, 61732, 102724, 106513, 213026, 282491, 426052, 564982, 590663, 1129964, 1181326, 2362652, 6497293, 12994586, 25989172]

約数ペア:

[(1, 25989172), (2, 12994586), (4, 6497293), (11, 2362652), (22, 1181326), (23, 1129964), (44, 590663), (46, 564982), (61, 426052), (92, 282491), (122, 213026), (244, 106513), (253, 102724), (421, 61732), (506, 51362), (671, 38732), (842, 30866), (1012, 25681), (1342, 19366), (1403, 18524), (1684, 15433), (2684, 9683), (2806, 9262), (4631, 5612)]