291446172

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{2609}}^1$

素因数の和:2755

約数の個数: 72

約数和(自身を含む): 769532400

約数和(自身を除く): 478086228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 107, 116, 174, 214, 261, 321, 348, 428, 522, 642, 963, 1044, 1284, 1926, 2609, 3103, 3852, 5218, 6206, 7827, 9309, 10436, 12412, 15654, 18618, 23481, 27927, 31308, 37236, 46962, 55854, 75661, 93924, 111708, 151322, 226983, 279163, 302644, 453966, 558326, 680949, 837489, 907932, 1116652, 1361898, 1674978, 2512467, 2723796, 3349956, 5024934, 8095727, 10049868, 16191454, 24287181, 32382908, 48574362, 72861543, 97148724, 145723086, 291446172]

約数ペア:

[(1, 291446172), (2, 145723086), (3, 97148724), (4, 72861543), (6, 48574362), (9, 32382908), (12, 24287181), (18, 16191454), (29, 10049868), (36, 8095727), (58, 5024934), (87, 3349956), (107, 2723796), (116, 2512467), (174, 1674978), (214, 1361898), (261, 1116652), (321, 907932), (348, 837489), (428, 680949), (522, 558326), (642, 453966), (963, 302644), (1044, 279163), (1284, 226983), (1926, 151322), (2609, 111708), (3103, 93924), (3852, 75661), (5218, 55854), (6206, 46962), (7827, 37236), (9309, 31308), (10436, 27927), (12412, 23481), (15654, 18618)]