31517892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 91687232

約数和(自身を除く): 60169340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 181, 252, 362, 543, 691, 724, 1086, 1267, 1382, 1629, 2073, 2172, 2534, 2764, 3258, 3801, 4146, 4837, 5068, 6219, 6516, 7602, 8292, 9674, 11403, 12438, 14511, 15204, 19348, 22806, 24876, 29022, 43533, 45612, 58044, 87066, 125071, 174132, 250142, 375213, 500284, 750426, 875497, 1125639, 1500852, 1750994, 2251278, 2626491, 3501988, 4502556, 5252982, 7879473, 10505964, 15758946, 31517892]

約数ペア:

[(1, 31517892), (2, 15758946), (3, 10505964), (4, 7879473), (6, 5252982), (7, 4502556), (9, 3501988), (12, 2626491), (14, 2251278), (18, 1750994), (21, 1500852), (28, 1125639), (36, 875497), (42, 750426), (63, 500284), (84, 375213), (126, 250142), (181, 174132), (252, 125071), (362, 87066), (543, 58044), (691, 45612), (724, 43533), (1086, 29022), (1267, 24876), (1382, 22806), (1629, 19348), (2073, 15204), (2172, 14511), (2534, 12438), (2764, 11403), (3258, 9674), (3801, 8292), (4146, 7602), (4837, 6516), (5068, 6219)]