261947518

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{719}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 459095040

約数和(自身を除く): 197147522

約数列:

[1, 2, 7, 14, 53, 106, 371, 491, 719, 742, 982, 1438, 3437, 5033, 6874, 10066, 26023, 38107, 52046, 76214, 182161, 266749, 353029, 364322, 533498, 706058, 2471203, 4942406, 18710537, 37421074, 130973759, 261947518]

約数ペア:

[(1, 261947518), (2, 130973759), (7, 37421074), (14, 18710537), (53, 4942406), (106, 2471203), (371, 706058), (491, 533498), (719, 364322), (742, 353029), (982, 266749), (1438, 182161), (3437, 76214), (5033, 52046), (6874, 38107), (10066, 26023)]