31757804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 60873120

約数和(自身を除く): 29115316

約数列:

[1, 2, 4, 13, 26, 52, 109, 169, 218, 338, 431, 436, 676, 862, 1417, 1724, 2834, 5603, 5668, 11206, 18421, 22412, 36842, 46979, 72839, 73684, 93958, 145678, 187916, 291356, 610727, 1221454, 2442908, 7939451, 15878902, 31757804]

約数ペア:

[(1, 31757804), (2, 15878902), (4, 7939451), (13, 2442908), (26, 1221454), (52, 610727), (109, 291356), (169, 187916), (218, 145678), (338, 93958), (431, 73684), (436, 72839), (676, 46979), (862, 36842), (1417, 22412), (1724, 18421), (2834, 11206), (5603, 5668)]