28788786

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7237}}^1$

素因数の和:7275

約数の個数: 48

約数和(自身を含む): 71135064

約数和(自身を除く): 42346278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 7237, 14474, 21711, 43422, 65133, 94081, 123029, 130266, 188162, 246058, 282243, 369087, 564486, 738174, 846729, 1107261, 1599377, 1693458, 2214522, 3198754, 4798131, 9596262, 14394393, 28788786]

約数ペア:

[(1, 28788786), (2, 14394393), (3, 9596262), (6, 4798131), (9, 3198754), (13, 2214522), (17, 1693458), (18, 1599377), (26, 1107261), (34, 846729), (39, 738174), (51, 564486), (78, 369087), (102, 282243), (117, 246058), (153, 188162), (221, 130266), (234, 123029), (306, 94081), (442, 65133), (663, 43422), (1326, 21711), (1989, 14474), (3978, 7237)]