311545908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2609}}^1$

素因数の和:2757

約数の個数: 72

約数和(自身を含む): 820834560

約数和(自身を除く): 509288652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 279, 321, 372, 428, 558, 642, 963, 1116, 1284, 1926, 2609, 3317, 3852, 5218, 6634, 7827, 9951, 10436, 13268, 15654, 19902, 23481, 29853, 31308, 39804, 46962, 59706, 80879, 93924, 119412, 161758, 242637, 279163, 323516, 485274, 558326, 727911, 837489, 970548, 1116652, 1455822, 1674978, 2512467, 2911644, 3349956, 5024934, 8654053, 10049868, 17308106, 25962159, 34616212, 51924318, 77886477, 103848636, 155772954, 311545908]

約数ペア:

[(1, 311545908), (2, 155772954), (3, 103848636), (4, 77886477), (6, 51924318), (9, 34616212), (12, 25962159), (18, 17308106), (31, 10049868), (36, 8654053), (62, 5024934), (93, 3349956), (107, 2911644), (124, 2512467), (186, 1674978), (214, 1455822), (279, 1116652), (321, 970548), (372, 837489), (428, 727911), (558, 558326), (642, 485274), (963, 323516), (1116, 279163), (1284, 242637), (1926, 161758), (2609, 119412), (3317, 93924), (3852, 80879), (5218, 59706), (6634, 46962), (7827, 39804), (9951, 31308), (10436, 29853), (13268, 23481), (15654, 19902)]