1640786719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 2102123520

約数和(自身を除く): 461336801

約数列:

[1, 11, 13, 23, 37, 97, 139, 143, 253, 299, 407, 481, 851, 1067, 1261, 1529, 1807, 2231, 3197, 3289, 3589, 5143, 5291, 9361, 11063, 13483, 13871, 19877, 24541, 29003, 35167, 39479, 41561, 46657, 56573, 66859, 82547, 118289, 121693, 148313, 175279, 310109, 319033, 457171, 498871, 513227, 735449, 908017, 1073111, 1301179, 1537757, 1928069, 3411199, 4031417, 5487581, 6485323, 11474033, 11804221, 16915327, 44345587, 71338553, 126214363, 149162429, 1640786719]

約数ペア:

[(1, 1640786719), (11, 149162429), (13, 126214363), (23, 71338553), (37, 44345587), (97, 16915327), (139, 11804221), (143, 11474033), (253, 6485323), (299, 5487581), (407, 4031417), (481, 3411199), (851, 1928069), (1067, 1537757), (1261, 1301179), (1529, 1073111), (1807, 908017), (2231, 735449), (3197, 513227), (3289, 498871), (3589, 457171), (5143, 319033), (5291, 310109), (9361, 175279), (11063, 148313), (13483, 121693), (13871, 118289), (19877, 82547), (24541, 66859), (29003, 56573), (35167, 46657), (39479, 41561)]