28687435

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 13130165

約数列:

[1, 5, 7, 19, 35, 95, 133, 179, 241, 665, 895, 1205, 1253, 1687, 3401, 4579, 6265, 8435, 17005, 22895, 23807, 32053, 43139, 119035, 160265, 215695, 301973, 819641, 1509865, 4098205, 5737487, 28687435]

約数ペア:

[(1, 28687435), (5, 5737487), (7, 4098205), (19, 1509865), (35, 819641), (95, 301973), (133, 215695), (179, 160265), (241, 119035), (665, 43139), (895, 32053), (1205, 23807), (1253, 22895), (1687, 17005), (3401, 8435), (4579, 6265)]