31241478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 68080320

約数和(自身を除く): 36838842

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 289, 419, 578, 731, 838, 867, 1257, 1462, 1734, 2193, 2514, 4386, 7123, 12427, 14246, 18017, 21369, 24854, 36034, 37281, 42738, 54051, 74562, 108102, 121091, 242182, 306289, 363273, 612578, 726546, 918867, 1837734, 5206913, 10413826, 15620739, 31241478]

約数ペア:

[(1, 31241478), (2, 15620739), (3, 10413826), (6, 5206913), (17, 1837734), (34, 918867), (43, 726546), (51, 612578), (86, 363273), (102, 306289), (129, 242182), (258, 121091), (289, 108102), (419, 74562), (578, 54051), (731, 42738), (838, 37281), (867, 36034), (1257, 24854), (1462, 21369), (1734, 18017), (2193, 14246), (2514, 12427), (4386, 7123)]