1397677715

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 2064913920

約数和(自身を除く): 667236205

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 211, 245, 665, 931, 1055, 1423, 1477, 4009, 4655, 7115, 7385, 9961, 10339, 20045, 27037, 28063, 49805, 51695, 69727, 135185, 140315, 189259, 196441, 300253, 348635, 946295, 982205, 1324813, 1501265, 2101771, 5704807, 6624065, 10508855, 14712397, 28524035, 39933649, 73561985, 199668245, 279535543, 1397677715]

約数ペア:

[(1, 1397677715), (5, 279535543), (7, 199668245), (19, 73561985), (35, 39933649), (49, 28524035), (95, 14712397), (133, 10508855), (211, 6624065), (245, 5704807), (665, 2101771), (931, 1501265), (1055, 1324813), (1423, 982205), (1477, 946295), (4009, 348635), (4655, 300253), (7115, 196441), (7385, 189259), (9961, 140315), (10339, 135185), (20045, 69727), (27037, 51695), (28063, 49805)]