129787430

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{177791}}^1$

素因数の和:177871

約数の個数: 16

約数和(自身を含む): 236818944

約数和(自身を除く): 107031514

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 177791, 355582, 888955, 1777910, 12978743, 25957486, 64893715, 129787430]

約数ペア:

[(1, 129787430), (2, 64893715), (5, 25957486), (10, 12978743), (73, 1777910), (146, 888955), (365, 355582), (730, 177791)]