87715865

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 113564160

約数和(自身を除く): 25848295

約数列:

[1, 5, 29, 47, 61, 145, 211, 235, 305, 1055, 1363, 1769, 2867, 6119, 6815, 8845, 9917, 12871, 14335, 30595, 49585, 64355, 83143, 287593, 373259, 415715, 604937, 1437965, 1866295, 3024685, 17543173, 87715865]

約数ペア:

[(1, 87715865), (5, 17543173), (29, 3024685), (47, 1866295), (61, 1437965), (145, 604937), (211, 415715), (235, 373259), (305, 287593), (1055, 83143), (1363, 64355), (1769, 49585), (2867, 30595), (6119, 14335), (6815, 12871), (8845, 9917)]