38728144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 93966208

約数和(自身を除く): 55238064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 268, 364, 397, 469, 536, 728, 794, 871, 938, 1072, 1456, 1588, 1742, 1876, 2779, 3176, 3484, 3752, 5161, 5558, 6097, 6352, 6968, 7504, 10322, 11116, 12194, 13936, 20644, 22232, 24388, 26599, 36127, 41288, 44464, 48776, 53198, 72254, 82576, 97552, 106396, 144508, 186193, 212792, 289016, 345787, 372386, 425584, 578032, 691574, 744772, 1383148, 1489544, 2420509, 2766296, 2979088, 4841018, 5532592, 9682036, 19364072, 38728144]

約数ペア:

[(1, 38728144), (2, 19364072), (4, 9682036), (7, 5532592), (8, 4841018), (13, 2979088), (14, 2766296), (16, 2420509), (26, 1489544), (28, 1383148), (52, 744772), (56, 691574), (67, 578032), (91, 425584), (104, 372386), (112, 345787), (134, 289016), (182, 212792), (208, 186193), (268, 144508), (364, 106396), (397, 97552), (469, 82576), (536, 72254), (728, 53198), (794, 48776), (871, 44464), (938, 41288), (1072, 36127), (1456, 26599), (1588, 24388), (1742, 22232), (1876, 20644), (2779, 13936), (3176, 12194), (3484, 11116), (3752, 10322), (5161, 7504), (5558, 6968), (6097, 6352)]