128173708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 250911360

約数和(自身を除く): 122737652

約数列:

[1, 2, 4, 13, 26, 41, 52, 79, 82, 158, 164, 316, 533, 761, 1027, 1066, 1522, 2054, 2132, 3044, 3239, 4108, 6478, 9893, 12956, 19786, 31201, 39572, 42107, 60119, 62402, 84214, 120238, 124804, 168428, 240476, 405613, 781547, 811226, 1563094, 1622452, 2464879, 3126188, 4929758, 9859516, 32043427, 64086854, 128173708]

約数ペア:

[(1, 128173708), (2, 64086854), (4, 32043427), (13, 9859516), (26, 4929758), (41, 3126188), (52, 2464879), (79, 1622452), (82, 1563094), (158, 811226), (164, 781547), (316, 405613), (533, 240476), (761, 168428), (1027, 124804), (1066, 120238), (1522, 84214), (2054, 62402), (2132, 60119), (3044, 42107), (3239, 39572), (4108, 31201), (6478, 19786), (9893, 12956)]