13997585

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 21450240

約数和(自身を除く): 7452655

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 97, 133, 155, 217, 245, 485, 589, 665, 679, 931, 1085, 1519, 1843, 2945, 3007, 3395, 4123, 4655, 4753, 7595, 9215, 12901, 15035, 20615, 21049, 23765, 28861, 57133, 64505, 90307, 105245, 144305, 147343, 285665, 399931, 451535, 736715, 1999655, 2799517, 13997585]

約数ペア:

[(1, 13997585), (5, 2799517), (7, 1999655), (19, 736715), (31, 451535), (35, 399931), (49, 285665), (95, 147343), (97, 144305), (133, 105245), (155, 90307), (217, 64505), (245, 57133), (485, 28861), (589, 23765), (665, 21049), (679, 20615), (931, 15035), (1085, 12901), (1519, 9215), (1843, 7595), (2945, 4753), (3007, 4655), (3395, 4123)]