31371508

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 66774400

約数和(自身を除く): 35402892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 532, 541, 763, 1082, 1526, 2071, 2164, 3052, 3787, 4142, 7574, 8284, 10279, 14497, 15148, 20558, 28994, 41116, 57988, 58969, 71953, 117938, 143906, 235876, 287812, 412783, 825566, 1120411, 1651132, 2240822, 4481644, 7842877, 15685754, 31371508]

約数ペア:

[(1, 31371508), (2, 15685754), (4, 7842877), (7, 4481644), (14, 2240822), (19, 1651132), (28, 1120411), (38, 825566), (76, 412783), (109, 287812), (133, 235876), (218, 143906), (266, 117938), (436, 71953), (532, 58969), (541, 57988), (763, 41116), (1082, 28994), (1526, 20558), (2071, 15148), (2164, 14497), (3052, 10279), (3787, 8284), (4142, 7574)]