641512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 1312200

約数和(自身を除く): 670688

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 89, 106, 136, 178, 212, 356, 424, 712, 901, 1513, 1802, 3026, 3604, 4717, 6052, 7208, 9434, 12104, 18868, 37736, 80189, 160378, 320756, 641512]

約数ペア:

[(1, 641512), (2, 320756), (4, 160378), (8, 80189), (17, 37736), (34, 18868), (53, 12104), (68, 9434), (89, 7208), (106, 6052), (136, 4717), (178, 3604), (212, 3026), (356, 1802), (424, 1513), (712, 901)]