643866496

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 1592962560

約数和(自身を除く): 949096064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 167, 182, 208, 224, 331, 334, 364, 416, 448, 662, 668, 728, 832, 896, 1169, 1324, 1336, 1456, 1664, 2171, 2317, 2338, 2648, 2672, 2912, 4303, 4342, 4634, 4676, 5296, 5344, 5824, 8606, 8684, 9268, 9352, 10592, 10688, 11648, 15197, 17212, 17368, 18536, 18704, 21184, 21376, 30121, 30394, 34424, 34736, 37072, 37408, 42368, 55277, 60242, 60788, 68848, 69472, 74144, 74816, 110554, 120484, 121576, 137696, 138944, 148288, 149632, 221108, 240968, 243152, 275392, 277888, 296576, 386939, 442216, 481936, 486304, 550784, 718601, 773878, 884432, 963872, 972608, 1437202, 1547756, 1768864, 1927744, 1945216, 2874404, 3095512, 3537728, 3855488, 5030207, 5748808, 6191024, 7075456, 10060414, 11497616, 12382048, 20120828, 22995232, 24764096, 40241656, 45990464, 49528192, 80483312, 91980928, 160966624, 321933248, 643866496]

約数ペア:

[(1, 643866496), (2, 321933248), (4, 160966624), (7, 91980928), (8, 80483312), (13, 49528192), (14, 45990464), (16, 40241656), (26, 24764096), (28, 22995232), (32, 20120828), (52, 12382048), (56, 11497616), (64, 10060414), (91, 7075456), (104, 6191024), (112, 5748808), (128, 5030207), (167, 3855488), (182, 3537728), (208, 3095512), (224, 2874404), (331, 1945216), (334, 1927744), (364, 1768864), (416, 1547756), (448, 1437202), (662, 972608), (668, 963872), (728, 884432), (832, 773878), (896, 718601), (1169, 550784), (1324, 486304), (1336, 481936), (1456, 442216), (1664, 386939), (2171, 296576), (2317, 277888), (2338, 275392), (2648, 243152), (2672, 240968), (2912, 221108), (4303, 149632), (4342, 148288), (4634, 138944), (4676, 137696), (5296, 121576), (5344, 120484), (5824, 110554), (8606, 74816), (8684, 74144), (9268, 69472), (9352, 68848), (10592, 60788), (10688, 60242), (11648, 55277), (15197, 42368), (17212, 37408), (17368, 37072), (18536, 34736), (18704, 34424), (21184, 30394), (21376, 30121)]