12671725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 17811360

約数和(自身を除く): 5139635

約数列:

[1, 5, 11, 25, 55, 59, 71, 121, 275, 295, 355, 605, 649, 781, 1475, 1775, 3025, 3245, 3905, 4189, 7139, 8591, 16225, 19525, 20945, 35695, 42955, 46079, 104725, 178475, 214775, 230395, 506869, 1151975, 2534345, 12671725]

約数ペア:

[(1, 12671725), (5, 2534345), (11, 1151975), (25, 506869), (55, 230395), (59, 214775), (71, 178475), (121, 104725), (275, 46079), (295, 42955), (355, 35695), (605, 20945), (649, 19525), (781, 16225), (1475, 8591), (1775, 7139), (3025, 4189), (3245, 3905)]