208037375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18324

約数の個数: 32

約数和(自身を含む): 319562880

約数和(自身を除く): 111525505

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 2275, 11375, 18289, 91445, 128023, 237757, 457225, 640115, 1188785, 1664299, 2286125, 3200575, 5943925, 8321495, 16002875, 29719625, 41607475, 208037375]

約数ペア:

[(1, 208037375), (5, 41607475), (7, 29719625), (13, 16002875), (25, 8321495), (35, 5943925), (65, 3200575), (91, 2286125), (125, 1664299), (175, 1188785), (325, 640115), (455, 457225), (875, 237757), (1625, 128023), (2275, 91445), (11375, 18289)]