157215443

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 211438080

約数和(自身を除く): 54222637

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 451, 779, 1463, 2621, 3157, 5453, 8569, 18347, 28831, 49799, 59983, 107461, 201817, 348593, 547789, 752227, 1182071, 2041759, 3834523, 8274497, 14292313, 22459349, 157215443]

約数ペア:

[(1, 157215443), (7, 22459349), (11, 14292313), (19, 8274497), (41, 3834523), (77, 2041759), (133, 1182071), (209, 752227), (287, 547789), (451, 348593), (779, 201817), (1463, 107461), (2621, 59983), (3157, 49799), (5453, 28831), (8569, 18347)]