28328404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 55657728

約数和(自身を除く): 27329324

約数列:

[1, 2, 4, 13, 26, 47, 52, 67, 94, 134, 173, 188, 268, 346, 611, 692, 871, 1222, 1742, 2249, 2444, 3149, 3484, 4498, 6298, 8131, 8996, 11591, 12596, 16262, 23182, 32524, 40937, 46364, 81874, 105703, 150683, 163748, 211406, 301366, 422812, 544777, 602732, 1089554, 2179108, 7082101, 14164202, 28328404]

約数ペア:

[(1, 28328404), (2, 14164202), (4, 7082101), (13, 2179108), (26, 1089554), (47, 602732), (52, 544777), (67, 422812), (94, 301366), (134, 211406), (173, 163748), (188, 150683), (268, 105703), (346, 81874), (611, 46364), (692, 40937), (871, 32524), (1222, 23182), (1742, 16262), (2249, 12596), (2444, 11591), (3149, 8996), (3484, 8131), (4498, 6298)]