28414959

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 41378304

約数和(自身を除く): 12963345

約数列:

[1, 3, 23, 43, 61, 69, 129, 157, 183, 471, 989, 1403, 2623, 2967, 3611, 4209, 6751, 7869, 9577, 10833, 20253, 28731, 60329, 155273, 180987, 220271, 411811, 465819, 660813, 1235433, 9471653, 28414959]

約数ペア:

[(1, 28414959), (3, 9471653), (23, 1235433), (43, 660813), (61, 465819), (69, 411811), (129, 220271), (157, 180987), (183, 155273), (471, 60329), (989, 28731), (1403, 20253), (2623, 10833), (2967, 9577), (3611, 7869), (4209, 6751)]