31690274

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 62112960

約数和(自身を除く): 30422686

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 389, 506, 529, 778, 1058, 1771, 2723, 3542, 3703, 4279, 5446, 5819, 7406, 8558, 8947, 11638, 17894, 29953, 40733, 59906, 62629, 81466, 98417, 125258, 196834, 205781, 411562, 688919, 1377838, 1440467, 2263591, 2880934, 4527182, 15845137, 31690274]

約数ペア:

[(1, 31690274), (2, 15845137), (7, 4527182), (11, 2880934), (14, 2263591), (22, 1440467), (23, 1377838), (46, 688919), (77, 411562), (154, 205781), (161, 196834), (253, 125258), (322, 98417), (389, 81466), (506, 62629), (529, 59906), (778, 40733), (1058, 29953), (1771, 17894), (2723, 11638), (3542, 8947), (3703, 8558), (4279, 7406), (5446, 5819)]