128917139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 152807424

約数和(自身を除く): 23890285

約数列:

[1, 13, 23, 37, 43, 271, 299, 481, 559, 851, 989, 1591, 3523, 6233, 10027, 11063, 11653, 12857, 20683, 36593, 81029, 130351, 151489, 230621, 268019, 431161, 475709, 2998073, 3484247, 5605093, 9916703, 128917139]

約数ペア:

[(1, 128917139), (13, 9916703), (23, 5605093), (37, 3484247), (43, 2998073), (271, 475709), (299, 431161), (481, 268019), (559, 230621), (851, 151489), (989, 130351), (1591, 81029), (3523, 36593), (6233, 20683), (10027, 12857), (11063, 11653)]