64911808

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1365

約数の個数: 56

約数和(自身を含む): 141102080

約数和(自身を除く): 76190272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 793, 832, 976, 1279, 1586, 1952, 2558, 3172, 3904, 5116, 6344, 10232, 12688, 16627, 20464, 25376, 33254, 40928, 50752, 66508, 78019, 81856, 133016, 156038, 266032, 312076, 532064, 624152, 1014247, 1064128, 1248304, 2028494, 2496608, 4056988, 4993216, 8113976, 16227952, 32455904, 64911808]

約数ペア:

[(1, 64911808), (2, 32455904), (4, 16227952), (8, 8113976), (13, 4993216), (16, 4056988), (26, 2496608), (32, 2028494), (52, 1248304), (61, 1064128), (64, 1014247), (104, 624152), (122, 532064), (208, 312076), (244, 266032), (416, 156038), (488, 133016), (793, 81856), (832, 78019), (976, 66508), (1279, 50752), (1586, 40928), (1952, 33254), (2558, 25376), (3172, 20464), (3904, 16627), (5116, 12688), (6344, 10232)]