28813616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1669}}^1$

素因数の和:1773

約数の個数: 40

約数和(自身を含む): 60881520

約数和(自身を除く): 32067904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 1669, 2158, 3338, 4316, 6676, 8632, 13352, 17264, 21697, 26704, 43394, 86788, 138527, 173576, 277054, 347152, 554108, 1108216, 1800851, 2216432, 3601702, 7203404, 14406808, 28813616]

約数ペア:

[(1, 28813616), (2, 14406808), (4, 7203404), (8, 3601702), (13, 2216432), (16, 1800851), (26, 1108216), (52, 554108), (83, 347152), (104, 277054), (166, 173576), (208, 138527), (332, 86788), (664, 43394), (1079, 26704), (1328, 21697), (1669, 17264), (2158, 13352), (3338, 8632), (4316, 6676)]