16404745

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 7787255

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 349, 395, 553, 595, 1343, 1745, 2443, 2765, 5933, 6715, 9401, 12215, 27571, 29665, 41531, 47005, 137855, 192997, 207655, 468707, 964985, 2343535, 3280949, 16404745]

約数ペア:

[(1, 16404745), (5, 3280949), (7, 2343535), (17, 964985), (35, 468707), (79, 207655), (85, 192997), (119, 137855), (349, 47005), (395, 41531), (553, 29665), (595, 27571), (1343, 12215), (1745, 9401), (2443, 6715), (2765, 5933)]