391018236

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{664997}}^1$

素因数の和:665018

約数の個数: 36

約数和(自身を含む): 1061336808

約数和(自身を除く): 670318572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 664997, 1329994, 1994991, 2659988, 3989982, 4654979, 7979964, 9309958, 13964937, 18619916, 27929874, 32584853, 55859748, 65169706, 97754559, 130339412, 195509118, 391018236]

約数ペア:

[(1, 391018236), (2, 195509118), (3, 130339412), (4, 97754559), (6, 65169706), (7, 55859748), (12, 32584853), (14, 27929874), (21, 18619916), (28, 13964937), (42, 9309958), (49, 7979964), (84, 4654979), (98, 3989982), (147, 2659988), (196, 1994991), (294, 1329994), (588, 664997)]