280059928

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{2141}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 534386160

約数和(自身を除く): 254326232

約数列:

[1, 2, 4, 8, 83, 166, 197, 332, 394, 664, 788, 1576, 2141, 4282, 8564, 16351, 17128, 32702, 65404, 130808, 177703, 355406, 421777, 710812, 843554, 1421624, 1687108, 3374216, 35007491, 70014982, 140029964, 280059928]

約数ペア:

[(1, 280059928), (2, 140029964), (4, 70014982), (8, 35007491), (83, 3374216), (166, 1687108), (197, 1421624), (332, 843554), (394, 710812), (664, 421777), (788, 355406), (1576, 177703), (2141, 130808), (4282, 65404), (8564, 32702), (16351, 17128)]