81723454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 134447040

約数和(自身を除く): 52723586

約数列:

[1, 2, 17, 34, 37, 74, 167, 334, 389, 629, 778, 1258, 2839, 5678, 6179, 6613, 12358, 13226, 14393, 28786, 64963, 105043, 129926, 210086, 244681, 489362, 1104371, 2208742, 2403631, 4807262, 40861727, 81723454]

約数ペア:

[(1, 81723454), (2, 40861727), (17, 4807262), (34, 2403631), (37, 2208742), (74, 1104371), (167, 489362), (334, 244681), (389, 210086), (629, 129926), (778, 105043), (1258, 64963), (2839, 28786), (5678, 14393), (6179, 13226), (6613, 12358)]