4219995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 8225280

約数和(自身を除く): 4005285

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 67, 85, 95, 195, 201, 221, 247, 255, 285, 323, 335, 663, 741, 871, 969, 1005, 1105, 1139, 1235, 1273, 1615, 2613, 3315, 3417, 3705, 3819, 4199, 4355, 4845, 5695, 6365, 12597, 13065, 14807, 16549, 17085, 19095, 20995, 21641, 44421, 49647, 62985, 64923, 74035, 82745, 108205, 222105, 248235, 281333, 324615, 843999, 1406665, 4219995]

約数ペア:

[(1, 4219995), (3, 1406665), (5, 843999), (13, 324615), (15, 281333), (17, 248235), (19, 222105), (39, 108205), (51, 82745), (57, 74035), (65, 64923), (67, 62985), (85, 49647), (95, 44421), (195, 21641), (201, 20995), (221, 19095), (247, 17085), (255, 16549), (285, 14807), (323, 13065), (335, 12597), (663, 6365), (741, 5695), (871, 4845), (969, 4355), (1005, 4199), (1105, 3819), (1139, 3705), (1235, 3417), (1273, 3315), (1615, 2613)]