639444288

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{475777}}^1$

素因数の和:475799

約数の個数: 56

約数和(自身を含む): 1933561792

約数和(自身を除く): 1294117504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 475777, 951554, 1427331, 1903108, 2854662, 3330439, 3806216, 5709324, 6660878, 7612432, 9991317, 11418648, 13321756, 15224864, 19982634, 22837296, 26643512, 30449728, 39965268, 45674592, 53287024, 79930536, 91349184, 106574048, 159861072, 213148096, 319722144, 639444288]

約数ペア:

[(1, 639444288), (2, 319722144), (3, 213148096), (4, 159861072), (6, 106574048), (7, 91349184), (8, 79930536), (12, 53287024), (14, 45674592), (16, 39965268), (21, 30449728), (24, 26643512), (28, 22837296), (32, 19982634), (42, 15224864), (48, 13321756), (56, 11418648), (64, 9991317), (84, 7612432), (96, 6660878), (112, 5709324), (168, 3806216), (192, 3330439), (224, 2854662), (336, 1903108), (448, 1427331), (672, 951554), (1344, 475777)]