1918561697

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 2177280000

約数和(自身を除く): 258718303

約数列:

[1, 13, 31, 89, 149, 359, 403, 1157, 1937, 2759, 4619, 4667, 11129, 13261, 31951, 35867, 53491, 60047, 144677, 172393, 411091, 415363, 695383, 990481, 1658221, 4760699, 5344183, 12876253, 21556873, 61889087, 147581669, 1918561697]

約数ペア:

[(1, 1918561697), (13, 147581669), (31, 61889087), (89, 21556873), (149, 12876253), (359, 5344183), (403, 4760699), (1157, 1658221), (1937, 990481), (2759, 695383), (4619, 415363), (4667, 411091), (11129, 172393), (13261, 144677), (31951, 60047), (35867, 53491)]