28258054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 49449600

約数和(自身を除く): 21191546

約数列:

[1, 2, 11, 19, 22, 38, 67, 134, 209, 418, 737, 1009, 1273, 1474, 2018, 2546, 11099, 14003, 19171, 22198, 28006, 38342, 67603, 135206, 210881, 421762, 743633, 1284457, 1487266, 2568914, 14129027, 28258054]

約数ペア:

[(1, 28258054), (2, 14129027), (11, 2568914), (19, 1487266), (22, 1284457), (38, 743633), (67, 421762), (134, 210881), (209, 135206), (418, 67603), (737, 38342), (1009, 28006), (1273, 22198), (1474, 19171), (2018, 14003), (2546, 11099)]