28381744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1049}}^1$

素因数の和:1165

約数の個数: 40

約数和(自身を含む): 58590000

約数和(自身を除く): 30208256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1049, 1424, 1691, 2098, 3382, 4196, 6764, 8392, 13528, 16784, 19931, 27056, 39862, 79724, 93361, 159448, 186722, 318896, 373444, 746888, 1493776, 1773859, 3547718, 7095436, 14190872, 28381744]

約数ペア:

[(1, 28381744), (2, 14190872), (4, 7095436), (8, 3547718), (16, 1773859), (19, 1493776), (38, 746888), (76, 373444), (89, 318896), (152, 186722), (178, 159448), (304, 93361), (356, 79724), (712, 39862), (1049, 27056), (1424, 19931), (1691, 16784), (2098, 13528), (3382, 8392), (4196, 6764)]