31661478

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2529

約数の個数: 48

約数和(自身を含む): 73921536

約数和(自身を除く): 42260058

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 2139, 2467, 4278, 4934, 6417, 7401, 12834, 14802, 22203, 44406, 56741, 76477, 113482, 152954, 170223, 229431, 340446, 458862, 510669, 688293, 1021338, 1376586, 1758971, 3517942, 5276913, 10553826, 15830739, 31661478]

約数ペア:

[(1, 31661478), (2, 15830739), (3, 10553826), (6, 5276913), (9, 3517942), (18, 1758971), (23, 1376586), (31, 1021338), (46, 688293), (62, 510669), (69, 458862), (93, 340446), (138, 229431), (186, 170223), (207, 152954), (279, 113482), (414, 76477), (558, 56741), (713, 44406), (1426, 22203), (2139, 14802), (2467, 12834), (4278, 7401), (4934, 6417)]