208430079

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 339655680

約数和(自身を除く): 131225601

約数列:

[1, 3, 11, 13, 33, 39, 53, 89, 103, 143, 159, 267, 309, 429, 583, 689, 979, 1133, 1157, 1339, 1749, 2067, 2937, 3399, 3471, 4017, 4717, 5459, 7579, 9167, 12727, 14151, 14729, 16377, 22737, 27501, 38181, 44187, 51887, 60049, 61321, 70967, 100837, 119171, 155661, 180147, 183963, 212901, 302511, 357513, 485851, 674531, 780637, 1310881, 1457553, 2023593, 2341911, 3932643, 5344361, 6316063, 16033083, 18948189, 69476693, 208430079]

約数ペア:

[(1, 208430079), (3, 69476693), (11, 18948189), (13, 16033083), (33, 6316063), (39, 5344361), (53, 3932643), (89, 2341911), (103, 2023593), (143, 1457553), (159, 1310881), (267, 780637), (309, 674531), (429, 485851), (583, 357513), (689, 302511), (979, 212901), (1133, 183963), (1157, 180147), (1339, 155661), (1749, 119171), (2067, 100837), (2937, 70967), (3399, 61321), (3471, 60049), (4017, 51887), (4717, 44187), (5459, 38181), (7579, 27501), (9167, 22737), (12727, 16377), (14151, 14729)]