64871477

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 77552640

約数和(自身を除く): 12681163

約数列:

[1, 11, 23, 43, 67, 89, 253, 473, 737, 979, 989, 1541, 2047, 2881, 3827, 5963, 10879, 16951, 22517, 31691, 42097, 65593, 66263, 88021, 137149, 256409, 728893, 968231, 1508639, 2820499, 5897407, 64871477]

約数ペア:

[(1, 64871477), (11, 5897407), (23, 2820499), (43, 1508639), (67, 968231), (89, 728893), (253, 256409), (473, 137149), (737, 88021), (979, 66263), (989, 65593), (1541, 42097), (2047, 31691), (2881, 22517), (3827, 16951), (5963, 10879)]