209375705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 330448896

約数和(自身を除く): 121073191

約数列:

[1, 5, 7, 11, 31, 35, 53, 55, 77, 155, 217, 265, 331, 341, 371, 385, 583, 1085, 1643, 1655, 1705, 1855, 2317, 2387, 2915, 3641, 4081, 8215, 10261, 11501, 11585, 11935, 17543, 18073, 18205, 20405, 25487, 51305, 57505, 71827, 87715, 90365, 112871, 122801, 126511, 127435, 192973, 359135, 543833, 564355, 614005, 632555, 790097, 964865, 1350811, 2719165, 3806831, 3950485, 5982163, 6754055, 19034155, 29910815, 41875141, 209375705]

約数ペア:

[(1, 209375705), (5, 41875141), (7, 29910815), (11, 19034155), (31, 6754055), (35, 5982163), (53, 3950485), (55, 3806831), (77, 2719165), (155, 1350811), (217, 964865), (265, 790097), (331, 632555), (341, 614005), (371, 564355), (385, 543833), (583, 359135), (1085, 192973), (1643, 127435), (1655, 126511), (1705, 122801), (1855, 112871), (2317, 90365), (2387, 87715), (2915, 71827), (3641, 57505), (4081, 51305), (8215, 25487), (10261, 20405), (11501, 18205), (11585, 18073), (11935, 17543)]