399309912

素因数分解:

$2^3\times 3^4\times {\mathrm{616219}}^1$

素因数の和:616237

約数の個数: 40

約数和(自身を含む): 1118439300

約数和(自身を除く): 719129388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 616219, 1232438, 1848657, 2464876, 3697314, 4929752, 5545971, 7394628, 11091942, 14789256, 16637913, 22183884, 33275826, 44367768, 49913739, 66551652, 99827478, 133103304, 199654956, 399309912]

約数ペア:

[(1, 399309912), (2, 199654956), (3, 133103304), (4, 99827478), (6, 66551652), (8, 49913739), (9, 44367768), (12, 33275826), (18, 22183884), (24, 16637913), (27, 14789256), (36, 11091942), (54, 7394628), (72, 5545971), (81, 4929752), (108, 3697314), (162, 2464876), (216, 1848657), (324, 1232438), (648, 616219)]