40771913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 52684800

約数和(自身を除く): 11912887

約数列:

[1, 7, 13, 31, 91, 97, 149, 217, 403, 679, 1043, 1261, 1937, 2821, 3007, 4619, 8827, 13559, 14453, 21049, 32333, 39091, 60047, 101171, 187889, 273637, 420329, 448043, 1315223, 3136301, 5824559, 40771913]

約数ペア:

[(1, 40771913), (7, 5824559), (13, 3136301), (31, 1315223), (91, 448043), (97, 420329), (149, 273637), (217, 187889), (403, 101171), (679, 60047), (1043, 39091), (1261, 32333), (1937, 21049), (2821, 14453), (3007, 13559), (4619, 8827)]