156768715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{6421}}^1$

素因数の和:6702

約数の個数: 16

約数和(自身を含む): 198825120

約数和(自身を除く): 42056405

約数列:

[1, 5, 19, 95, 257, 1285, 4883, 6421, 24415, 32105, 121999, 609995, 1650197, 8250985, 31353743, 156768715]

約数ペア:

[(1, 156768715), (5, 31353743), (19, 8250985), (95, 1650197), (257, 609995), (1285, 121999), (4883, 32105), (6421, 24415)]