861487272

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{128657}}^1$

素因数の和:128703

約数の個数: 64

約数和(自身を含む): 2470233600

約数和(自身を除く): 1608746328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 558, 744, 837, 1116, 1674, 2232, 3348, 6696, 128657, 257314, 385971, 514628, 771942, 1029256, 1157913, 1543884, 2315826, 3087768, 3473739, 3988367, 4631652, 6947478, 7976734, 9263304, 11965101, 13894956, 15953468, 23930202, 27789912, 31906936, 35895303, 47860404, 71790606, 95720808, 107685909, 143581212, 215371818, 287162424, 430743636, 861487272]

約数ペア:

[(1, 861487272), (2, 430743636), (3, 287162424), (4, 215371818), (6, 143581212), (8, 107685909), (9, 95720808), (12, 71790606), (18, 47860404), (24, 35895303), (27, 31906936), (31, 27789912), (36, 23930202), (54, 15953468), (62, 13894956), (72, 11965101), (93, 9263304), (108, 7976734), (124, 6947478), (186, 4631652), (216, 3988367), (248, 3473739), (279, 3087768), (372, 2315826), (558, 1543884), (744, 1157913), (837, 1029256), (1116, 771942), (1674, 514628), (2232, 385971), (3348, 257314), (6696, 128657)]