427920128

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{87977}}^1$

素因数の和:88012

約数の個数: 36

約数和(自身を含む): 899135160

約数和(自身を除く): 471215032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 87977, 175954, 351908, 703816, 1407632, 1671563, 2815264, 3343126, 5630528, 6686252, 11261056, 13372504, 22522112, 26745008, 53490016, 106980032, 213960064, 427920128]

約数ペア:

[(1, 427920128), (2, 213960064), (4, 106980032), (8, 53490016), (16, 26745008), (19, 22522112), (32, 13372504), (38, 11261056), (64, 6686252), (76, 5630528), (128, 3343126), (152, 2815264), (256, 1671563), (304, 1407632), (608, 703816), (1216, 351908), (2432, 175954), (4864, 87977)]