221052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 563640

約数和(自身を除く): 342588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 169, 218, 327, 338, 436, 507, 654, 676, 1014, 1308, 1417, 2028, 2834, 4251, 5668, 8502, 17004, 18421, 36842, 55263, 73684, 110526, 221052]

約数ペア:

[(1, 221052), (2, 110526), (3, 73684), (4, 55263), (6, 36842), (12, 18421), (13, 17004), (26, 8502), (39, 5668), (52, 4251), (78, 2834), (109, 2028), (156, 1417), (169, 1308), (218, 1014), (327, 676), (338, 654), (436, 507)]