491744512

素因数分解:

$2^8\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2163

約数の個数: 72

約数和(自身を含む): 1130544576

約数和(自身を除く): 638800064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 137, 224, 256, 274, 448, 548, 896, 959, 1096, 1792, 1918, 2003, 2192, 3836, 4006, 4384, 7672, 8012, 8768, 14021, 15344, 16024, 17536, 28042, 30688, 32048, 35072, 56084, 61376, 64096, 112168, 122752, 128192, 224336, 245504, 256384, 274411, 448672, 512768, 548822, 897344, 1097644, 1794688, 1920877, 2195288, 3589376, 3841754, 4390576, 7683508, 8781152, 15367016, 17562304, 30734032, 35124608, 61468064, 70249216, 122936128, 245872256, 491744512]

約数ペア:

[(1, 491744512), (2, 245872256), (4, 122936128), (7, 70249216), (8, 61468064), (14, 35124608), (16, 30734032), (28, 17562304), (32, 15367016), (56, 8781152), (64, 7683508), (112, 4390576), (128, 3841754), (137, 3589376), (224, 2195288), (256, 1920877), (274, 1794688), (448, 1097644), (548, 897344), (896, 548822), (959, 512768), (1096, 448672), (1792, 274411), (1918, 256384), (2003, 245504), (2192, 224336), (3836, 128192), (4006, 122752), (4384, 112168), (7672, 64096), (8012, 61376), (8768, 56084), (14021, 35072), (15344, 32048), (16024, 30688), (17536, 28042)]