686377952

素因数分解:

$2^5\times {\mathrm{13}}^4\times {\mathrm{751}}^1$

素因数の和:813

約数の個数: 60

約数和(自身を含む): 1465860816

約数和(自身を除く): 779482864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 751, 1352, 1502, 2197, 2704, 3004, 4394, 5408, 6008, 8788, 9763, 12016, 17576, 19526, 24032, 28561, 35152, 39052, 57122, 70304, 78104, 114244, 126919, 156208, 228488, 253838, 312416, 456976, 507676, 913952, 1015352, 1649947, 2030704, 3299894, 4061408, 6599788, 13199576, 21449311, 26399152, 42898622, 52798304, 85797244, 171594488, 343188976, 686377952]

約数ペア:

[(1, 686377952), (2, 343188976), (4, 171594488), (8, 85797244), (13, 52798304), (16, 42898622), (26, 26399152), (32, 21449311), (52, 13199576), (104, 6599788), (169, 4061408), (208, 3299894), (338, 2030704), (416, 1649947), (676, 1015352), (751, 913952), (1352, 507676), (1502, 456976), (2197, 312416), (2704, 253838), (3004, 228488), (4394, 156208), (5408, 126919), (6008, 114244), (8788, 78104), (9763, 70304), (12016, 57122), (17576, 39052), (19526, 35152), (24032, 28561)]