30897476

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{911}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 55413120

約数和(自身を除く): 24515644

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 556, 911, 1822, 3644, 8479, 16958, 33916, 55571, 111142, 126629, 222284, 253258, 506516, 7724369, 15448738, 30897476]

約数ペア:

[(1, 30897476), (2, 15448738), (4, 7724369), (61, 506516), (122, 253258), (139, 222284), (244, 126629), (278, 111142), (556, 55571), (911, 33916), (1822, 16958), (3644, 8479)]