81491296

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 164505600

約数和(自身を除く): 83014304

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 191, 199, 268, 382, 398, 536, 764, 796, 1072, 1528, 1592, 2144, 3056, 3184, 6112, 6368, 12797, 13333, 25594, 26666, 38009, 51188, 53332, 76018, 102376, 106664, 152036, 204752, 213328, 304072, 409504, 426656, 608144, 1216288, 2546603, 5093206, 10186412, 20372824, 40745648, 81491296]

約数ペア:

[(1, 81491296), (2, 40745648), (4, 20372824), (8, 10186412), (16, 5093206), (32, 2546603), (67, 1216288), (134, 608144), (191, 426656), (199, 409504), (268, 304072), (382, 213328), (398, 204752), (536, 152036), (764, 106664), (796, 102376), (1072, 76018), (1528, 53332), (1592, 51188), (2144, 38009), (3056, 26666), (3184, 25594), (6112, 13333), (6368, 12797)]