28739118.000000000

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21121}}^1$

素因数の和:21170

約数の個数: 36

約数和(自身を含む): 269685696

約数和(自身を除く): 141354500

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21121, 42242, 84484, 147847, 295694, 591388, 654751, 1034929, 1309502, 2069858, 2619004, 4139716, 4583257, 9166514, 18333028, 32082799, 64165598, 128331196]

約数ペア:

[(1, 128331196), (2, 64165598), (4, 32082799), (7, 18333028), (14, 9166514), (28, 4583257), (31, 4139716), (49, 2619004), (62, 2069858), (98, 1309502), (124, 1034929), (196, 654751), (217, 591388), (434, 295694), (868, 147847), (1519, 84484), (3038, 42242), (6076, 21121)]