6639985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 9434880

約数和(自身を除く): 2794895

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 181, 253, 319, 667, 905, 1265, 1595, 1991, 3335, 4163, 5249, 7337, 9955, 20815, 26245, 36685, 45793, 57739, 120727, 228965, 288695, 603635, 1327997, 6639985]

約数ペア:

[(1, 6639985), (5, 1327997), (11, 603635), (23, 288695), (29, 228965), (55, 120727), (115, 57739), (145, 45793), (181, 36685), (253, 26245), (319, 20815), (667, 9955), (905, 7337), (1265, 5249), (1595, 4163), (1991, 3335)]