321658816

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:629

約数の個数: 56

約数和(自身を含む): 651510000

約数和(自身を除く): 329851184

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 149, 178, 298, 356, 379, 596, 712, 758, 1192, 1424, 1516, 2384, 2848, 3032, 4768, 5696, 6064, 9536, 12128, 13261, 24256, 26522, 33731, 53044, 56471, 67462, 106088, 112942, 134924, 212176, 225884, 269848, 424352, 451768, 539696, 848704, 903536, 1079392, 1807072, 2158784, 3614144, 5025919, 10051838, 20103676, 40207352, 80414704, 160829408, 321658816]

約数ペア:

[(1, 321658816), (2, 160829408), (4, 80414704), (8, 40207352), (16, 20103676), (32, 10051838), (64, 5025919), (89, 3614144), (149, 2158784), (178, 1807072), (298, 1079392), (356, 903536), (379, 848704), (596, 539696), (712, 451768), (758, 424352), (1192, 269848), (1424, 225884), (1516, 212176), (2384, 134924), (2848, 112942), (3032, 106088), (4768, 67462), (5696, 56471), (6064, 53044), (9536, 33731), (12128, 26522), (13261, 24256)]