28001892

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 38888988

約数列:

[1, 2, 3, 4, 6, 12, 89, 157, 167, 178, 267, 314, 334, 356, 471, 501, 534, 628, 668, 942, 1002, 1068, 1884, 2004, 13973, 14863, 26219, 27946, 29726, 41919, 44589, 52438, 55892, 59452, 78657, 83838, 89178, 104876, 157314, 167676, 178356, 314628, 2333491, 4666982, 7000473, 9333964, 14000946, 28001892]

約数ペア:

[(1, 28001892), (2, 14000946), (3, 9333964), (4, 7000473), (6, 4666982), (12, 2333491), (89, 314628), (157, 178356), (167, 167676), (178, 157314), (267, 104876), (314, 89178), (334, 83838), (356, 78657), (471, 59452), (501, 55892), (534, 52438), (628, 44589), (668, 41919), (942, 29726), (1002, 27946), (1068, 26219), (1884, 14863), (2004, 13973)]