389768988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{20441}}^1$

素因数の和:20682

約数の個数: 48

約数和(自身を含む): 1044013824

約数和(自身を除く): 654244836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 1362, 1589, 2724, 3178, 4767, 6356, 9534, 19068, 20441, 40882, 61323, 81764, 122646, 143087, 245292, 286174, 429261, 572348, 858522, 1717044, 4640107, 9280214, 13920321, 18560428, 27840642, 32480749, 55681284, 64961498, 97442247, 129922996, 194884494, 389768988]

約数ペア:

[(1, 389768988), (2, 194884494), (3, 129922996), (4, 97442247), (6, 64961498), (7, 55681284), (12, 32480749), (14, 27840642), (21, 18560428), (28, 13920321), (42, 9280214), (84, 4640107), (227, 1717044), (454, 858522), (681, 572348), (908, 429261), (1362, 286174), (1589, 245292), (2724, 143087), (3178, 122646), (4767, 81764), (6356, 61323), (9534, 40882), (19068, 20441)]