256393404

素因数分解:

$2^2\times 3^3\times {\mathrm{317}}^1\times {\mathrm{7489}}^1$

素因数の和:7819

約数の個数: 48

約数和(自身を含む): 666909600

約数和(自身を除く): 410516196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 317, 634, 951, 1268, 1902, 2853, 3804, 5706, 7489, 8559, 11412, 14978, 17118, 22467, 29956, 34236, 44934, 67401, 89868, 134802, 202203, 269604, 404406, 808812, 2374013, 4748026, 7122039, 9496052, 14244078, 21366117, 28488156, 42732234, 64098351, 85464468, 128196702, 256393404]

約数ペア:

[(1, 256393404), (2, 128196702), (3, 85464468), (4, 64098351), (6, 42732234), (9, 28488156), (12, 21366117), (18, 14244078), (27, 9496052), (36, 7122039), (54, 4748026), (108, 2374013), (317, 808812), (634, 404406), (951, 269604), (1268, 202203), (1902, 134802), (2853, 89868), (3804, 67401), (5706, 44934), (7489, 34236), (8559, 29956), (11412, 22467), (14978, 17118)]