64398315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 51170325

約数列:

[1, 3, 5, 15, 19, 31, 37, 57, 93, 95, 111, 155, 185, 197, 285, 465, 555, 589, 591, 703, 985, 1147, 1767, 2109, 2945, 2955, 3441, 3515, 3743, 5735, 6107, 7289, 8835, 10545, 11229, 17205, 18321, 18715, 21793, 21867, 30535, 36445, 56145, 65379, 91605, 108965, 109335, 116033, 138491, 225959, 326895, 348099, 415473, 580165, 677877, 692455, 1129795, 1740495, 2077365, 3389385, 4293221, 12879663, 21466105, 64398315]

約数ペア:

[(1, 64398315), (3, 21466105), (5, 12879663), (15, 4293221), (19, 3389385), (31, 2077365), (37, 1740495), (57, 1129795), (93, 692455), (95, 677877), (111, 580165), (155, 415473), (185, 348099), (197, 326895), (285, 225959), (465, 138491), (555, 116033), (589, 109335), (591, 108965), (703, 91605), (985, 65379), (1147, 56145), (1767, 36445), (2109, 30535), (2945, 21867), (2955, 21793), (3441, 18715), (3515, 18321), (3743, 17205), (5735, 11229), (6107, 10545), (7289, 8835)]