12971530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 28159488

約数和(自身を除く): 15187958

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 47, 55, 65, 94, 110, 130, 143, 193, 235, 286, 386, 470, 517, 611, 715, 965, 1034, 1222, 1430, 1930, 2123, 2509, 2585, 3055, 4246, 5018, 5170, 6110, 6721, 9071, 10615, 12545, 13442, 18142, 21230, 25090, 27599, 33605, 45355, 55198, 67210, 90710, 99781, 117923, 137995, 199562, 235846, 275990, 498905, 589615, 997810, 1179230, 1297153, 2594306, 6485765, 12971530]

約数ペア:

[(1, 12971530), (2, 6485765), (5, 2594306), (10, 1297153), (11, 1179230), (13, 997810), (22, 589615), (26, 498905), (47, 275990), (55, 235846), (65, 199562), (94, 137995), (110, 117923), (130, 99781), (143, 90710), (193, 67210), (235, 55198), (286, 45355), (386, 33605), (470, 27599), (517, 25090), (611, 21230), (715, 18142), (965, 13442), (1034, 12545), (1222, 10615), (1430, 9071), (1930, 6721), (2123, 6110), (2509, 5170), (2585, 5018), (3055, 4246)]