1728931288

素因数分解:

$2^3\times 7^4\times {\mathrm{90011}}^1$

素因数の和:90045

約数の個数: 40

約数和(自身を含む): 3781854180

約数和(自身を除く): 2052922892

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 19208, 90011, 180022, 360044, 630077, 720088, 1260154, 2520308, 4410539, 5040616, 8821078, 17642156, 30873773, 35284312, 61747546, 123495092, 216116411, 246990184, 432232822, 864465644, 1728931288]

約数ペア:

[(1, 1728931288), (2, 864465644), (4, 432232822), (7, 246990184), (8, 216116411), (14, 123495092), (28, 61747546), (49, 35284312), (56, 30873773), (98, 17642156), (196, 8821078), (343, 5040616), (392, 4410539), (686, 2520308), (1372, 1260154), (2401, 720088), (2744, 630077), (4802, 360044), (9604, 180022), (19208, 90011)]