16565555990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{3823}}^1$

素因数の和:4277

約数の個数: 64

約数和(自身を含む): 32114257920

約数和(自身を除く): 15548701930

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 359, 710, 718, 1207, 1795, 2414, 3590, 3823, 6035, 6103, 7646, 12070, 12206, 19115, 25489, 30515, 38230, 50978, 61030, 64991, 127445, 129982, 254890, 271433, 324955, 433313, 542866, 649910, 866626, 1357165, 1372457, 2166565, 2714330, 2744914, 4333130, 4614361, 6862285, 9228722, 13724570, 23071805, 23331769, 46143610, 46663538, 97444447, 116658845, 194888894, 233317690, 487222235, 974444470, 1656555599, 3313111198, 8282777995, 16565555990]

約数ペア:

[(1, 16565555990), (2, 8282777995), (5, 3313111198), (10, 1656555599), (17, 974444470), (34, 487222235), (71, 233317690), (85, 194888894), (142, 116658845), (170, 97444447), (355, 46663538), (359, 46143610), (710, 23331769), (718, 23071805), (1207, 13724570), (1795, 9228722), (2414, 6862285), (3590, 4614361), (3823, 4333130), (6035, 2744914), (6103, 2714330), (7646, 2166565), (12070, 1372457), (12206, 1357165), (19115, 866626), (25489, 649910), (30515, 542866), (38230, 433313), (50978, 324955), (61030, 271433), (64991, 254890), (127445, 129982)]