201528691

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1319}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 262563840

約数和(自身を除く): 61035149

約数列:

[1, 7, 13, 23, 73, 91, 161, 299, 511, 949, 1319, 1679, 2093, 6643, 9233, 11753, 17147, 21827, 30337, 96287, 120029, 152789, 212359, 394381, 674009, 1251731, 2214601, 2760667, 8762117, 15502207, 28789813, 201528691]

約数ペア:

[(1, 201528691), (7, 28789813), (13, 15502207), (23, 8762117), (73, 2760667), (91, 2214601), (161, 1251731), (299, 674009), (511, 394381), (949, 212359), (1319, 152789), (1679, 120029), (2093, 96287), (6643, 30337), (9233, 21827), (11753, 17147)]