28194336

素因数分解:

$2^5\times 3^2\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 80720640

約数和(自身を除く): 52526304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 223, 288, 439, 446, 669, 878, 892, 1317, 1338, 1756, 1784, 2007, 2634, 2676, 3512, 3568, 3951, 4014, 5268, 5352, 7024, 7136, 7902, 8028, 10536, 10704, 14048, 15804, 16056, 21072, 21408, 31608, 32112, 42144, 63216, 64224, 97897, 126432, 195794, 293691, 391588, 587382, 783176, 881073, 1174764, 1566352, 1762146, 2349528, 3132704, 3524292, 4699056, 7048584, 9398112, 14097168, 28194336]

約数ペア:

[(1, 28194336), (2, 14097168), (3, 9398112), (4, 7048584), (6, 4699056), (8, 3524292), (9, 3132704), (12, 2349528), (16, 1762146), (18, 1566352), (24, 1174764), (32, 881073), (36, 783176), (48, 587382), (72, 391588), (96, 293691), (144, 195794), (223, 126432), (288, 97897), (439, 64224), (446, 63216), (669, 42144), (878, 32112), (892, 31608), (1317, 21408), (1338, 21072), (1756, 16056), (1784, 15804), (2007, 14048), (2634, 10704), (2676, 10536), (3512, 8028), (3568, 7902), (3951, 7136), (4014, 7024), (5268, 5352)]