2638672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 5524200

約数和(自身を除く): 2885528

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 109, 136, 178, 218, 272, 356, 436, 712, 872, 1424, 1513, 1744, 1853, 3026, 3706, 6052, 7412, 9701, 12104, 14824, 19402, 24208, 29648, 38804, 77608, 155216, 164917, 329834, 659668, 1319336, 2638672]

約数ペア:

[(1, 2638672), (2, 1319336), (4, 659668), (8, 329834), (16, 164917), (17, 155216), (34, 77608), (68, 38804), (89, 29648), (109, 24208), (136, 19402), (178, 14824), (218, 12104), (272, 9701), (356, 7412), (436, 6052), (712, 3706), (872, 3026), (1424, 1853), (1513, 1744)]