212330415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 395020800

約数和(自身を除く): 182690385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 89, 95, 165, 209, 267, 285, 445, 627, 761, 979, 1045, 1335, 1691, 2283, 2937, 3135, 3805, 4895, 5073, 8371, 8455, 11415, 14459, 14685, 18601, 25113, 25365, 41855, 43377, 55803, 67729, 72295, 93005, 125565, 159049, 203187, 216885, 279015, 338645, 477147, 745019, 795245, 1015935, 1286851, 2235057, 2385735, 3725095, 3860553, 6434255, 11175285, 14155361, 19302765, 42466083, 70776805, 212330415]

約数ペア:

[(1, 212330415), (3, 70776805), (5, 42466083), (11, 19302765), (15, 14155361), (19, 11175285), (33, 6434255), (55, 3860553), (57, 3725095), (89, 2385735), (95, 2235057), (165, 1286851), (209, 1015935), (267, 795245), (285, 745019), (445, 477147), (627, 338645), (761, 279015), (979, 216885), (1045, 203187), (1335, 159049), (1691, 125565), (2283, 93005), (2937, 72295), (3135, 67729), (3805, 55803), (4895, 43377), (5073, 41855), (8371, 25365), (8455, 25113), (11415, 18601), (14459, 14685)]