31621458

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 74068992

約数和(自身を除く): 42447534

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 407, 506, 563, 759, 814, 851, 1126, 1221, 1518, 1689, 1702, 2442, 2553, 3378, 5106, 6193, 9361, 12386, 12949, 18579, 18722, 20831, 25898, 28083, 37158, 38847, 41662, 56166, 62493, 77694, 124986, 142439, 229141, 284878, 427317, 458282, 479113, 687423, 854634, 958226, 1374846, 1437339, 2874678, 5270243, 10540486, 15810729, 31621458]

約数ペア:

[(1, 31621458), (2, 15810729), (3, 10540486), (6, 5270243), (11, 2874678), (22, 1437339), (23, 1374846), (33, 958226), (37, 854634), (46, 687423), (66, 479113), (69, 458282), (74, 427317), (111, 284878), (138, 229141), (222, 142439), (253, 124986), (407, 77694), (506, 62493), (563, 56166), (759, 41662), (814, 38847), (851, 37158), (1126, 28083), (1221, 25898), (1518, 20831), (1689, 18722), (1702, 18579), (2442, 12949), (2553, 12386), (3378, 9361), (5106, 6193)]