164557456

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 383975424

約数和(自身を除く): 219417968

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 127, 161, 184, 254, 322, 368, 503, 508, 644, 889, 1006, 1016, 1288, 1778, 2012, 2032, 2576, 2921, 3521, 3556, 4024, 5842, 7042, 7112, 8048, 11569, 11684, 14084, 14224, 20447, 23138, 23368, 28168, 40894, 46276, 46736, 56336, 63881, 80983, 81788, 92552, 127762, 161966, 163576, 185104, 255524, 323932, 327152, 447167, 511048, 647864, 894334, 1022096, 1295728, 1469263, 1788668, 2938526, 3577336, 5877052, 7154672, 10284841, 11754104, 20569682, 23508208, 41139364, 82278728, 164557456]

約数ペア:

[(1, 164557456), (2, 82278728), (4, 41139364), (7, 23508208), (8, 20569682), (14, 11754104), (16, 10284841), (23, 7154672), (28, 5877052), (46, 3577336), (56, 2938526), (92, 1788668), (112, 1469263), (127, 1295728), (161, 1022096), (184, 894334), (254, 647864), (322, 511048), (368, 447167), (503, 327152), (508, 323932), (644, 255524), (889, 185104), (1006, 163576), (1016, 161966), (1288, 127762), (1778, 92552), (2012, 81788), (2032, 80983), (2576, 63881), (2921, 56336), (3521, 46736), (3556, 46276), (4024, 40894), (5842, 28168), (7042, 23368), (7112, 23138), (8048, 20447), (11569, 14224), (11684, 14084)]