64085215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 83980800

約数和(自身を除く): 19895585

約数列:

[1, 5, 29, 31, 53, 145, 155, 265, 269, 899, 1345, 1537, 1643, 4495, 7685, 7801, 8215, 8339, 14257, 39005, 41695, 47647, 71285, 238235, 241831, 413453, 441967, 1209155, 2067265, 2209835, 12817043, 64085215]

約数ペア:

[(1, 64085215), (5, 12817043), (29, 2209835), (31, 2067265), (53, 1209155), (145, 441967), (155, 413453), (265, 241831), (269, 238235), (899, 71285), (1345, 47647), (1537, 41695), (1643, 39005), (4495, 14257), (7685, 8339), (7801, 8215)]