28379884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 28491476

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 244, 299, 389, 598, 778, 793, 1196, 1403, 1556, 1586, 2806, 3172, 5057, 5612, 8947, 10114, 17894, 18239, 20228, 23729, 35788, 36478, 47458, 72956, 94916, 116311, 232622, 308477, 465244, 545767, 616954, 1091534, 1233908, 2183068, 7094971, 14189942, 28379884]

約数ペア:

[(1, 28379884), (2, 14189942), (4, 7094971), (13, 2183068), (23, 1233908), (26, 1091534), (46, 616954), (52, 545767), (61, 465244), (92, 308477), (122, 232622), (244, 116311), (299, 94916), (389, 72956), (598, 47458), (778, 36478), (793, 35788), (1196, 23729), (1403, 20228), (1556, 18239), (1586, 17894), (2806, 10114), (3172, 8947), (5057, 5612)]