172989718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{743}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 298909440

約数和(自身を除く): 125919722

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 557, 743, 1114, 1486, 6127, 8173, 10583, 12254, 14117, 16346, 21166, 28234, 116413, 155287, 232826, 310574, 413851, 827702, 4552361, 7863169, 9104722, 15726338, 86494859, 172989718]

約数ペア:

[(1, 172989718), (2, 86494859), (11, 15726338), (19, 9104722), (22, 7863169), (38, 4552361), (209, 827702), (418, 413851), (557, 310574), (743, 232826), (1114, 155287), (1486, 116413), (6127, 28234), (8173, 21166), (10583, 16346), (12254, 14117)]