318720142

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 537712560

約数和(自身を除く): 218992418

約数列:

[1, 2, 13, 26, 41, 82, 109, 169, 211, 218, 338, 422, 533, 1066, 1417, 2743, 2834, 4469, 5486, 6929, 8651, 8938, 13858, 17302, 18421, 22999, 35659, 36842, 45998, 58097, 71318, 112463, 116194, 224926, 298987, 597974, 755261, 942959, 1462019, 1510522, 1885918, 2924038, 3886831, 7773662, 12258467, 24516934, 159360071, 318720142]

約数ペア:

[(1, 318720142), (2, 159360071), (13, 24516934), (26, 12258467), (41, 7773662), (82, 3886831), (109, 2924038), (169, 1885918), (211, 1510522), (218, 1462019), (338, 942959), (422, 755261), (533, 597974), (1066, 298987), (1417, 224926), (2743, 116194), (2834, 112463), (4469, 71318), (5486, 58097), (6929, 45998), (8651, 36842), (8938, 35659), (13858, 22999), (17302, 18421)]