28070655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 22691073

約数列:

[1, 3, 5, 15, 17, 31, 51, 53, 67, 85, 93, 155, 159, 201, 255, 265, 335, 465, 527, 795, 901, 1005, 1139, 1581, 1643, 2077, 2635, 2703, 3417, 3551, 4505, 4929, 5695, 6231, 7905, 8215, 10385, 10653, 13515, 17085, 17755, 24645, 27931, 31155, 35309, 53265, 60367, 83793, 105927, 110081, 139655, 176545, 181101, 301835, 330243, 418965, 529635, 550405, 905505, 1651215, 1871377, 5614131, 9356885, 28070655]

約数ペア:

[(1, 28070655), (3, 9356885), (5, 5614131), (15, 1871377), (17, 1651215), (31, 905505), (51, 550405), (53, 529635), (67, 418965), (85, 330243), (93, 301835), (155, 181101), (159, 176545), (201, 139655), (255, 110081), (265, 105927), (335, 83793), (465, 60367), (527, 53265), (795, 35309), (901, 31155), (1005, 27931), (1139, 24645), (1581, 17755), (1643, 17085), (2077, 13515), (2635, 10653), (2703, 10385), (3417, 8215), (3551, 7905), (4505, 6231), (4929, 5695)]