1388954224

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 3126157056

約数和(自身を除く): 1737202832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 137, 262, 274, 524, 548, 691, 917, 959, 1048, 1096, 1382, 1834, 1918, 2096, 2192, 2764, 3668, 3836, 4837, 5528, 7336, 7672, 9674, 11056, 14672, 15344, 17947, 19348, 35894, 38696, 71788, 77392, 90521, 94667, 125629, 143576, 181042, 189334, 251258, 287152, 362084, 378668, 502516, 633647, 662669, 724168, 757336, 1005032, 1267294, 1325338, 1448336, 1514672, 2010064, 2534588, 2650676, 5069176, 5301352, 10138352, 10602704, 12401377, 24802754, 49605508, 86809639, 99211016, 173619278, 198422032, 347238556, 694477112, 1388954224]

約数ペア:

[(1, 1388954224), (2, 694477112), (4, 347238556), (7, 198422032), (8, 173619278), (14, 99211016), (16, 86809639), (28, 49605508), (56, 24802754), (112, 12401377), (131, 10602704), (137, 10138352), (262, 5301352), (274, 5069176), (524, 2650676), (548, 2534588), (691, 2010064), (917, 1514672), (959, 1448336), (1048, 1325338), (1096, 1267294), (1382, 1005032), (1834, 757336), (1918, 724168), (2096, 662669), (2192, 633647), (2764, 502516), (3668, 378668), (3836, 362084), (4837, 287152), (5528, 251258), (7336, 189334), (7672, 181042), (9674, 143576), (11056, 125629), (14672, 94667), (15344, 90521), (17947, 77392), (19348, 71788), (35894, 38696)]