991481036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{37313}}^1$

素因数の和:37410

約数の個数: 48

約数和(自身を含む): 2164809024

約数和(自身を除く): 1173327988

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 949, 1022, 1898, 2044, 3796, 6643, 13286, 26572, 37313, 74626, 149252, 261191, 485069, 522382, 970138, 1044764, 1940276, 2723849, 3395483, 5447698, 6790966, 10895396, 13581932, 19066943, 35410037, 38133886, 70820074, 76267772, 141640148, 247870259, 495740518, 991481036]

約数ペア:

[(1, 991481036), (2, 495740518), (4, 247870259), (7, 141640148), (13, 76267772), (14, 70820074), (26, 38133886), (28, 35410037), (52, 19066943), (73, 13581932), (91, 10895396), (146, 6790966), (182, 5447698), (292, 3395483), (364, 2723849), (511, 1940276), (949, 1044764), (1022, 970138), (1898, 522382), (2044, 485069), (3796, 261191), (6643, 149252), (13286, 74626), (26572, 37313)]