220509839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 273404160

約数和(自身を除く): 52894321

約数列:

[1, 11, 17, 19, 53, 187, 209, 323, 583, 901, 1007, 1171, 3553, 9911, 11077, 12881, 17119, 19907, 22249, 62063, 188309, 218977, 244739, 378233, 682693, 1055071, 1179197, 4160563, 11605781, 12971167, 20046349, 220509839]

約数ペア:

[(1, 220509839), (11, 20046349), (17, 12971167), (19, 11605781), (53, 4160563), (187, 1179197), (209, 1055071), (323, 682693), (583, 378233), (901, 244739), (1007, 218977), (1171, 188309), (3553, 62063), (9911, 22249), (11077, 19907), (12881, 17119)]