490876354

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 774023040

約数和(自身を除く): 283146686

約数列:

[1, 2, 41, 53, 82, 106, 179, 358, 631, 1262, 2173, 4346, 7339, 9487, 14678, 18974, 25871, 33443, 51742, 66886, 112949, 225898, 388967, 777934, 1371163, 2742326, 4630909, 5986297, 9261818, 11972594, 245438177, 490876354]

約数ペア:

[(1, 490876354), (2, 245438177), (41, 11972594), (53, 9261818), (82, 5986297), (106, 4630909), (179, 2742326), (358, 1371163), (631, 777934), (1262, 388967), (2173, 225898), (4346, 112949), (7339, 66886), (9487, 51742), (14678, 33443), (18974, 25871)]