331380917

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 405657600

約数和(自身を除く): 74276683

約数列:

[1, 7, 31, 37, 149, 217, 259, 277, 1043, 1147, 1939, 4619, 5513, 8029, 8587, 10249, 32333, 38591, 41273, 60109, 71743, 170903, 288911, 317719, 1196321, 1279463, 1527101, 2224033, 8956241, 10689707, 47340131, 331380917]

約数ペア:

[(1, 331380917), (7, 47340131), (31, 10689707), (37, 8956241), (149, 2224033), (217, 1527101), (259, 1279463), (277, 1196321), (1043, 317719), (1147, 288911), (1939, 170903), (4619, 71743), (5513, 60109), (8029, 41273), (8587, 38591), (10249, 32333)]