620912128

素因数分解:

$2^9\times {\mathrm{1212719}}^1$

素因数の和:1212737

約数の個数: 20

約数和(自身を含む): 1240612560

約数和(自身を除く): 619700432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1212719, 2425438, 4850876, 9701752, 19403504, 38807008, 77614016, 155228032, 310456064, 620912128]

約数ペア:

[(1, 620912128), (2, 310456064), (4, 155228032), (8, 77614016), (16, 38807008), (32, 19403504), (64, 9701752), (128, 4850876), (256, 2425438), (512, 1212719)]