31005436

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 70153776

約数和(自身を除く): 39148340

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 146, 154, 196, 197, 292, 308, 394, 511, 539, 788, 803, 1022, 1078, 1379, 1606, 2044, 2156, 2167, 2758, 3212, 3577, 4334, 5516, 5621, 7154, 8668, 9653, 11242, 14308, 14381, 15169, 19306, 22484, 28762, 30338, 38612, 39347, 57524, 60676, 78694, 100667, 106183, 157388, 158191, 201334, 212366, 316382, 402668, 424732, 632764, 704669, 1107337, 1409338, 2214674, 2818676, 4429348, 7751359, 15502718, 31005436]

約数ペア:

[(1, 31005436), (2, 15502718), (4, 7751359), (7, 4429348), (11, 2818676), (14, 2214674), (22, 1409338), (28, 1107337), (44, 704669), (49, 632764), (73, 424732), (77, 402668), (98, 316382), (146, 212366), (154, 201334), (196, 158191), (197, 157388), (292, 106183), (308, 100667), (394, 78694), (511, 60676), (539, 57524), (788, 39347), (803, 38612), (1022, 30338), (1078, 28762), (1379, 22484), (1606, 19306), (2044, 15169), (2156, 14381), (2167, 14308), (2758, 11242), (3212, 9653), (3577, 8668), (4334, 7154), (5516, 5621)]