28996912

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2909}}^1$

素因数の和:3013

約数の個数: 40

約数和(自身を含む): 64951200

約数和(自身を除く): 35954288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2909, 4984, 5818, 9968, 11636, 20363, 23272, 40726, 46544, 81452, 162904, 258901, 325808, 517802, 1035604, 1812307, 2071208, 3624614, 4142416, 7249228, 14498456, 28996912]

約数ペア:

[(1, 28996912), (2, 14498456), (4, 7249228), (7, 4142416), (8, 3624614), (14, 2071208), (16, 1812307), (28, 1035604), (56, 517802), (89, 325808), (112, 258901), (178, 162904), (356, 81452), (623, 46544), (712, 40726), (1246, 23272), (1424, 20363), (2492, 11636), (2909, 9968), (4984, 5818)]