197991664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2447}}^1$

素因数の和:2857

約数の個数: 40

約数和(自身を含む): 414348480

約数和(自身を除く): 216356816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 1556, 2447, 3112, 4894, 5057, 6224, 9788, 10114, 19576, 20228, 31811, 39152, 40456, 63622, 80912, 127244, 254488, 508976, 951883, 1903766, 3807532, 7615064, 12374479, 15230128, 24748958, 49497916, 98995832, 197991664]

約数ペア:

[(1, 197991664), (2, 98995832), (4, 49497916), (8, 24748958), (13, 15230128), (16, 12374479), (26, 7615064), (52, 3807532), (104, 1903766), (208, 951883), (389, 508976), (778, 254488), (1556, 127244), (2447, 80912), (3112, 63622), (4894, 40456), (5057, 39152), (6224, 31811), (9788, 20228), (10114, 19576)]