28013221790

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2621}}^1\times {\mathrm{3229}}^1$

素因数の和:6188

約数の個数: 32

約数和(自身を含む): 50611102560

約数和(自身を除く): 22597880770

約数列:

[1, 2, 5, 10, 331, 662, 1655, 2621, 3229, 3310, 5242, 6458, 13105, 16145, 26210, 32290, 867551, 1068799, 1735102, 2137598, 4337755, 5343995, 8463209, 8675510, 10687990, 16926418, 42316045, 84632090, 2801322179, 5602644358, 14006610895, 28013221790]

約数ペア:

[(1, 28013221790), (2, 14006610895), (5, 5602644358), (10, 2801322179), (331, 84632090), (662, 42316045), (1655, 16926418), (2621, 10687990), (3229, 8675510), (3310, 8463209), (5242, 5343995), (6458, 4337755), (13105, 2137598), (16145, 1735102), (26210, 1068799), (32290, 867551)]