858641836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 1648563840

約数和(自身を除く): 789922004

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 197, 316, 394, 788, 1027, 1061, 2054, 2122, 2561, 4108, 4244, 5122, 10244, 13793, 15563, 27586, 31126, 55172, 62252, 83819, 167638, 202319, 209017, 335276, 404638, 418034, 809276, 836068, 1089647, 2179294, 2717221, 4358588, 5434442, 10868884, 16512343, 33024686, 66049372, 214660459, 429320918, 858641836]

約数ペア:

[(1, 858641836), (2, 429320918), (4, 214660459), (13, 66049372), (26, 33024686), (52, 16512343), (79, 10868884), (158, 5434442), (197, 4358588), (316, 2717221), (394, 2179294), (788, 1089647), (1027, 836068), (1061, 809276), (2054, 418034), (2122, 404638), (2561, 335276), (4108, 209017), (4244, 202319), (5122, 167638), (10244, 83819), (13793, 62252), (15563, 55172), (27586, 31126)]