428428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1016064

約数和(自身を除く): 587636

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 107, 143, 154, 182, 214, 286, 308, 364, 428, 572, 749, 1001, 1177, 1391, 1498, 2002, 2354, 2782, 2996, 4004, 4708, 5564, 8239, 9737, 15301, 16478, 19474, 30602, 32956, 38948, 61204, 107107, 214214, 428428]

約数ペア:

[(1, 428428), (2, 214214), (4, 107107), (7, 61204), (11, 38948), (13, 32956), (14, 30602), (22, 19474), (26, 16478), (28, 15301), (44, 9737), (52, 8239), (77, 5564), (91, 4708), (107, 4004), (143, 2996), (154, 2782), (182, 2354), (214, 2002), (286, 1498), (308, 1391), (364, 1177), (428, 1001), (572, 749)]