28706898

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18911}}^1$

素因数の和:18950

約数の個数: 32

約数和(自身を含む): 65359872

約数和(自身を除く): 36652974

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 18911, 37822, 56733, 113466, 208021, 416042, 434953, 624063, 869906, 1248126, 1304859, 2609718, 4784483, 9568966, 14353449, 28706898]

約数ペア:

[(1, 28706898), (2, 14353449), (3, 9568966), (6, 4784483), (11, 2609718), (22, 1304859), (23, 1248126), (33, 869906), (46, 624063), (66, 434953), (69, 416042), (138, 208021), (253, 113466), (506, 56733), (759, 37822), (1518, 18911)]