64676656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4237

約数の個数: 40

約数和(自身を含む): 138272400

約数和(自身を除く): 73595744

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 4129, 7832, 8258, 15664, 16516, 33032, 45419, 66064, 90838, 181676, 363352, 367481, 726704, 734962, 1469924, 2939848, 4042291, 5879696, 8084582, 16169164, 32338328, 64676656]

約数ペア:

[(1, 64676656), (2, 32338328), (4, 16169164), (8, 8084582), (11, 5879696), (16, 4042291), (22, 2939848), (44, 1469924), (88, 734962), (89, 726704), (176, 367481), (178, 363352), (356, 181676), (712, 90838), (979, 66064), (1424, 45419), (1958, 33032), (3916, 16516), (4129, 15664), (7832, 8258)]