39909716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 89976096

約数和(自身を除く): 50066380

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 107, 154, 173, 196, 214, 308, 346, 428, 539, 692, 749, 1078, 1177, 1211, 1498, 1903, 2156, 2354, 2422, 2996, 3806, 4708, 4844, 5243, 7612, 8239, 8477, 10486, 13321, 16478, 16954, 18511, 20972, 26642, 32956, 33908, 37022, 53284, 57673, 74044, 93247, 115346, 129577, 186494, 203621, 230692, 259154, 372988, 407242, 518308, 814484, 907039, 1425347, 1814078, 2850694, 3628156, 5701388, 9977429, 19954858, 39909716]

約数ペア:

[(1, 39909716), (2, 19954858), (4, 9977429), (7, 5701388), (11, 3628156), (14, 2850694), (22, 1814078), (28, 1425347), (44, 907039), (49, 814484), (77, 518308), (98, 407242), (107, 372988), (154, 259154), (173, 230692), (196, 203621), (214, 186494), (308, 129577), (346, 115346), (428, 93247), (539, 74044), (692, 57673), (749, 53284), (1078, 37022), (1177, 33908), (1211, 32956), (1498, 26642), (1903, 20972), (2156, 18511), (2354, 16954), (2422, 16478), (2996, 13321), (3806, 10486), (4708, 8477), (4844, 8239), (5243, 7612)]