620478519

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 890419200

約数和(自身を除く): 269940681

約数列:

[1, 3, 29, 43, 61, 87, 129, 183, 1247, 1769, 2623, 2719, 3741, 5307, 7869, 8157, 76067, 78851, 116917, 165859, 228201, 236553, 350751, 497577, 3390593, 4809911, 7131937, 10171779, 14429733, 21395811, 206826173, 620478519]

約数ペア:

[(1, 620478519), (3, 206826173), (29, 21395811), (43, 14429733), (61, 10171779), (87, 7131937), (129, 4809911), (183, 3390593), (1247, 497577), (1769, 350751), (2623, 236553), (2719, 228201), (3741, 165859), (5307, 116917), (7869, 78851), (8157, 76067)]