261501616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31013}}^1$

素因数の和:31069

約数の個数: 40

約数和(自身を含む): 553785984

約数和(自身を除く): 292284368

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 31013, 62026, 124052, 248104, 496208, 527221, 961403, 1054442, 1922806, 2108884, 3845612, 4217768, 7691224, 8435536, 15382448, 16343851, 32687702, 65375404, 130750808, 261501616]

約数ペア:

[(1, 261501616), (2, 130750808), (4, 65375404), (8, 32687702), (16, 16343851), (17, 15382448), (31, 8435536), (34, 7691224), (62, 4217768), (68, 3845612), (124, 2108884), (136, 1922806), (248, 1054442), (272, 961403), (496, 527221), (527, 496208), (1054, 248104), (2108, 124052), (4216, 62026), (8432, 31013)]