1639779890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23425427}}^1$

素因数の和:23425441

約数の個数: 16

約数和(自身を含む): 3373261632

約数和(自身を除く): 1733481742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 23425427, 46850854, 117127135, 163977989, 234254270, 327955978, 819889945, 1639779890]

約数ペア:

[(1, 1639779890), (2, 819889945), (5, 327955978), (7, 234254270), (10, 163977989), (14, 117127135), (35, 46850854), (70, 23425427)]