1257619788

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{947}}^1\times {\mathrm{997}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 3271627632

約数和(自身を除く): 2014007844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 947, 997, 1332, 1894, 1994, 2841, 2991, 3788, 3988, 5682, 5982, 8523, 8973, 11364, 11964, 17046, 17946, 34092, 35039, 35892, 36889, 70078, 73778, 105117, 110667, 140156, 147556, 210234, 221334, 315351, 332001, 420468, 442668, 630702, 664002, 944159, 1261404, 1328004, 1888318, 2832477, 3776636, 5664954, 8497431, 11329908, 16994862, 33989724, 34933883, 69867766, 104801649, 139735532, 209603298, 314404947, 419206596, 628809894, 1257619788]

約数ペア:

[(1, 1257619788), (2, 628809894), (3, 419206596), (4, 314404947), (6, 209603298), (9, 139735532), (12, 104801649), (18, 69867766), (36, 34933883), (37, 33989724), (74, 16994862), (111, 11329908), (148, 8497431), (222, 5664954), (333, 3776636), (444, 2832477), (666, 1888318), (947, 1328004), (997, 1261404), (1332, 944159), (1894, 664002), (1994, 630702), (2841, 442668), (2991, 420468), (3788, 332001), (3988, 315351), (5682, 221334), (5982, 210234), (8523, 147556), (8973, 140156), (11364, 110667), (11964, 105117), (17046, 73778), (17946, 70078), (34092, 36889), (35039, 35892)]