1247745536

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:795

約数の個数: 80

約数和(自身を含む): 2597928960

約数和(自身を除く): 1350183424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 496, 508, 512, 619, 992, 1016, 1238, 1984, 2032, 2476, 3937, 3968, 4064, 4952, 7874, 7936, 8128, 9904, 15748, 15872, 16256, 19189, 19808, 31496, 32512, 38378, 39616, 62992, 65024, 76756, 78613, 79232, 125984, 153512, 157226, 158464, 251968, 307024, 314452, 316928, 503936, 614048, 628904, 1007872, 1228096, 1257808, 2015744, 2437003, 2456192, 2515616, 4874006, 4912384, 5031232, 9748012, 9824768, 10062464, 19496024, 20124928, 38992048, 40249856, 77984096, 155968192, 311936384, 623872768, 1247745536]

約数ペア:

[(1, 1247745536), (2, 623872768), (4, 311936384), (8, 155968192), (16, 77984096), (31, 40249856), (32, 38992048), (62, 20124928), (64, 19496024), (124, 10062464), (127, 9824768), (128, 9748012), (248, 5031232), (254, 4912384), (256, 4874006), (496, 2515616), (508, 2456192), (512, 2437003), (619, 2015744), (992, 1257808), (1016, 1228096), (1238, 1007872), (1984, 628904), (2032, 614048), (2476, 503936), (3937, 316928), (3968, 314452), (4064, 307024), (4952, 251968), (7874, 158464), (7936, 157226), (8128, 153512), (9904, 125984), (15748, 79232), (15872, 78613), (16256, 76756), (19189, 65024), (19808, 62992), (31496, 39616), (32512, 38378)]