208775235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1747}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 346355712

約数和(自身を除く): 137580477

約数列:

[1, 3, 5, 15, 31, 93, 155, 257, 465, 771, 1285, 1747, 3855, 5241, 7967, 8735, 23901, 26205, 39835, 54157, 119505, 162471, 270785, 448979, 812355, 1346937, 2244895, 6734685, 13918349, 41755047, 69591745, 208775235]

約数ペア:

[(1, 208775235), (3, 69591745), (5, 41755047), (15, 13918349), (31, 6734685), (93, 2244895), (155, 1346937), (257, 812355), (465, 448979), (771, 270785), (1285, 162471), (1747, 119505), (3855, 54157), (5241, 39835), (7967, 26205), (8735, 23901)]