87889774

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 156266496

約数和(自身を除く): 68376722

約数列:

[1, 2, 7, 14, 31, 62, 217, 313, 434, 626, 647, 1294, 2191, 4382, 4529, 9058, 9703, 19406, 20057, 40114, 67921, 135842, 140399, 202511, 280798, 405022, 1417577, 2835154, 6277841, 12555682, 43944887, 87889774]

約数ペア:

[(1, 87889774), (2, 43944887), (7, 12555682), (14, 6277841), (31, 2835154), (62, 1417577), (217, 405022), (313, 280798), (434, 202511), (626, 140399), (647, 135842), (1294, 67921), (2191, 40114), (4382, 20057), (4529, 19406), (9058, 9703)]