28278328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 57576960

約数和(自身を除く): 29298632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 2141, 3302, 4282, 6604, 8564, 13208, 17128, 27833, 55666, 111332, 222664, 271907, 543814, 1087628, 2175256, 3534791, 7069582, 14139164, 28278328]

約数ペア:

[(1, 28278328), (2, 14139164), (4, 7069582), (8, 3534791), (13, 2175256), (26, 1087628), (52, 543814), (104, 271907), (127, 222664), (254, 111332), (508, 55666), (1016, 27833), (1651, 17128), (2141, 13208), (3302, 8564), (4282, 6604)]