28208988

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1609}}^1$

素因数の和:2106

約数の個数: 36

約数和(自身を含む): 71496880

約数和(自身を除く): 43287892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1461, 1609, 1948, 2922, 3218, 4383, 4827, 5844, 6436, 8766, 9654, 14481, 17532, 19308, 28962, 57924, 783583, 1567166, 2350749, 3134332, 4701498, 7052247, 9402996, 14104494, 28208988]

約数ペア:

[(1, 28208988), (2, 14104494), (3, 9402996), (4, 7052247), (6, 4701498), (9, 3134332), (12, 2350749), (18, 1567166), (36, 783583), (487, 57924), (974, 28962), (1461, 19308), (1609, 17532), (1948, 14481), (2922, 9654), (3218, 8766), (4383, 6436), (4827, 5844)]