81750218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 137142720

約数和(自身を除く): 55392502

約数列:

[1, 2, 11, 22, 73, 109, 146, 218, 467, 803, 934, 1199, 1606, 2398, 5137, 7957, 10274, 15914, 34091, 50903, 68182, 87527, 101806, 175054, 375001, 559933, 750002, 1119866, 3715919, 7431838, 40875109, 81750218]

約数ペア:

[(1, 81750218), (2, 40875109), (11, 7431838), (22, 3715919), (73, 1119866), (109, 750002), (146, 559933), (218, 375001), (467, 175054), (803, 101806), (934, 87527), (1199, 68182), (1606, 50903), (2398, 34091), (5137, 15914), (7957, 10274)]