2781422672

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{16349}}^1$

素因数の和:16409

約数の個数: 80

約数和(自身を含む): 6487680000

約数和(自身を除く): 3706257328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 784, 868, 1372, 1519, 1736, 2744, 3038, 3472, 5488, 6076, 10633, 12152, 16349, 21266, 24304, 32698, 42532, 65396, 85064, 114443, 130792, 170128, 228886, 261584, 457772, 506819, 801101, 915544, 1013638, 1602202, 1831088, 2027276, 3204404, 3547733, 4054552, 5607707, 6408808, 7095466, 8109104, 11215414, 12817616, 14190932, 22430828, 24834131, 28381864, 44861656, 49668262, 56763728, 89723312, 99336524, 173838917, 198673048, 347677834, 397346096, 695355668, 1390711336, 2781422672]

約数ペア:

[(1, 2781422672), (2, 1390711336), (4, 695355668), (7, 397346096), (8, 347677834), (14, 198673048), (16, 173838917), (28, 99336524), (31, 89723312), (49, 56763728), (56, 49668262), (62, 44861656), (98, 28381864), (112, 24834131), (124, 22430828), (196, 14190932), (217, 12817616), (248, 11215414), (343, 8109104), (392, 7095466), (434, 6408808), (496, 5607707), (686, 4054552), (784, 3547733), (868, 3204404), (1372, 2027276), (1519, 1831088), (1736, 1602202), (2744, 1013638), (3038, 915544), (3472, 801101), (5488, 506819), (6076, 457772), (10633, 261584), (12152, 228886), (16349, 170128), (21266, 130792), (24304, 114443), (32698, 85064), (42532, 65396)]