254112855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 461749248

約数和(自身を除く): 207636393

約数列:

[1, 3, 5, 15, 17, 23, 37, 51, 69, 85, 111, 115, 185, 255, 345, 391, 555, 629, 851, 1171, 1173, 1887, 1955, 2553, 3145, 3513, 4255, 5855, 5865, 9435, 12765, 14467, 17565, 19907, 26933, 43327, 43401, 59721, 72335, 80799, 99535, 129981, 134665, 216635, 217005, 298605, 403995, 457861, 649905, 736559, 996521, 1373583, 2209677, 2289305, 2989563, 3682795, 4982605, 6867915, 11048385, 14947815, 16940857, 50822571, 84704285, 254112855]

約数ペア:

[(1, 254112855), (3, 84704285), (5, 50822571), (15, 16940857), (17, 14947815), (23, 11048385), (37, 6867915), (51, 4982605), (69, 3682795), (85, 2989563), (111, 2289305), (115, 2209677), (185, 1373583), (255, 996521), (345, 736559), (391, 649905), (555, 457861), (629, 403995), (851, 298605), (1171, 217005), (1173, 216635), (1887, 134665), (1955, 129981), (2553, 99535), (3145, 80799), (3513, 72335), (4255, 59721), (5855, 43401), (5865, 43327), (9435, 26933), (12765, 19907), (14467, 17565)]