391902028

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{659}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 799223040

約数和(自身を除く): 407321012

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 317, 469, 634, 659, 938, 1268, 1318, 1876, 2219, 2636, 4438, 4613, 8876, 9226, 18452, 21239, 42478, 44153, 84956, 88306, 148673, 176612, 208903, 297346, 309071, 417806, 594692, 618142, 835612, 1236284, 1462321, 2924642, 5849284, 13996501, 27993002, 55986004, 97975507, 195951014, 391902028]

約数ペア:

[(1, 391902028), (2, 195951014), (4, 97975507), (7, 55986004), (14, 27993002), (28, 13996501), (67, 5849284), (134, 2924642), (268, 1462321), (317, 1236284), (469, 835612), (634, 618142), (659, 594692), (938, 417806), (1268, 309071), (1318, 297346), (1876, 208903), (2219, 176612), (2636, 148673), (4438, 88306), (4613, 84956), (8876, 44153), (9226, 42478), (18452, 21239)]