215683768

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{499}}^1\times {\mathrm{557}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 410130000

約数和(自身を除く): 194446232

約数列:

[1, 2, 4, 8, 97, 194, 388, 499, 557, 776, 998, 1114, 1996, 2228, 3992, 4456, 48403, 54029, 96806, 108058, 193612, 216116, 277943, 387224, 432232, 555886, 1111772, 2223544, 26960471, 53920942, 107841884, 215683768]

約数ペア:

[(1, 215683768), (2, 107841884), (4, 53920942), (8, 26960471), (97, 2223544), (194, 1111772), (388, 555886), (499, 432232), (557, 387224), (776, 277943), (998, 216116), (1114, 193612), (1996, 108058), (2228, 96806), (3992, 54029), (4456, 48403)]