51247805

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 73267200

約数和(自身を除く): 22019395

約数列:

[1, 5, 7, 31, 35, 149, 155, 217, 317, 745, 1043, 1085, 1585, 2219, 4619, 5215, 9827, 11095, 23095, 32333, 47233, 49135, 68789, 161665, 236165, 330631, 343945, 1464223, 1653155, 7321115, 10249561, 51247805]

約数ペア:

[(1, 51247805), (5, 10249561), (7, 7321115), (31, 1653155), (35, 1464223), (149, 343945), (155, 330631), (217, 236165), (317, 161665), (745, 68789), (1043, 49135), (1085, 47233), (1585, 32333), (2219, 23095), (4619, 11095), (5215, 9827)]