191717748

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 499753800

約数和(自身を除く): 308036052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 89, 106, 159, 178, 212, 267, 318, 356, 477, 534, 636, 801, 954, 1068, 1129, 1602, 1908, 2258, 3204, 3387, 4516, 4717, 6774, 9434, 10161, 13548, 14151, 18868, 20322, 28302, 40644, 42453, 56604, 59837, 84906, 100481, 119674, 169812, 179511, 200962, 239348, 301443, 359022, 401924, 538533, 602886, 718044, 904329, 1077066, 1205772, 1808658, 2154132, 3617316, 5325493, 10650986, 15976479, 21301972, 31952958, 47929437, 63905916, 95858874, 191717748]

約数ペア:

[(1, 191717748), (2, 95858874), (3, 63905916), (4, 47929437), (6, 31952958), (9, 21301972), (12, 15976479), (18, 10650986), (36, 5325493), (53, 3617316), (89, 2154132), (106, 1808658), (159, 1205772), (178, 1077066), (212, 904329), (267, 718044), (318, 602886), (356, 538533), (477, 401924), (534, 359022), (636, 301443), (801, 239348), (954, 200962), (1068, 179511), (1129, 169812), (1602, 119674), (1908, 100481), (2258, 84906), (3204, 59837), (3387, 56604), (4516, 42453), (4717, 40644), (6774, 28302), (9434, 20322), (10161, 18868), (13548, 14151)]