28641996

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{21503}}^1$

素因数の和:21550

約数の個数: 36

約数和(自身を含む): 74360832

約数和(自身を除く): 45718836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 21503, 43006, 64509, 86012, 129018, 193527, 258036, 387054, 774108, 795611, 1591222, 2386833, 3182444, 4773666, 7160499, 9547332, 14320998, 28641996]

約数ペア:

[(1, 28641996), (2, 14320998), (3, 9547332), (4, 7160499), (6, 4773666), (9, 3182444), (12, 2386833), (18, 1591222), (36, 795611), (37, 774108), (74, 387054), (111, 258036), (148, 193527), (222, 129018), (333, 86012), (444, 64509), (666, 43006), (1332, 21503)]