340989817

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 412545024

約数和(自身を除く): 71555207

約数列:

[1, 7, 37, 61, 113, 191, 259, 427, 791, 1337, 2257, 4181, 6893, 7067, 11651, 15799, 21583, 29267, 48251, 49469, 81557, 151081, 255041, 431087, 798571, 1316563, 1785287, 3017609, 5589997, 9215941, 48712831, 340989817]

約数ペア:

[(1, 340989817), (7, 48712831), (37, 9215941), (61, 5589997), (113, 3017609), (191, 1785287), (259, 1316563), (427, 798571), (791, 431087), (1337, 255041), (2257, 151081), (4181, 81557), (6893, 49469), (7067, 48251), (11651, 29267), (15799, 21583)]