28249835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 37822464

約数和(自身を除く): 9572629

約数列:

[1, 5, 17, 31, 71, 85, 151, 155, 355, 527, 755, 1207, 2201, 2567, 2635, 4681, 6035, 10721, 11005, 12835, 23405, 37417, 53605, 79577, 182257, 187085, 332351, 397885, 911285, 1661755, 5649967, 28249835]

約数ペア:

[(1, 28249835), (5, 5649967), (17, 1661755), (31, 911285), (71, 397885), (85, 332351), (151, 187085), (155, 182257), (355, 79577), (527, 53605), (755, 37417), (1207, 23405), (2201, 12835), (2567, 11005), (2635, 10721), (4681, 6035)]