398045892118

素因数分解:

$2^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2837}}^1\times {\mathrm{20411}}^1$

素因数の和:23748

約数の個数: 32

約数和(自身を含む): 684028654848

約数和(自身を除く): 285982762730

約数列:

[1, 2, 7, 14, 491, 982, 2837, 3437, 5674, 6874, 19859, 20411, 39718, 40822, 142877, 285754, 1392967, 2785934, 9750769, 10021801, 19501538, 20043602, 57906007, 70152607, 115812014, 140305214, 405342049, 810684098, 28431849437, 56863698874, 199022946059, 398045892118]

約数ペア:

[(1, 398045892118), (2, 199022946059), (7, 56863698874), (14, 28431849437), (491, 810684098), (982, 405342049), (2837, 140305214), (3437, 115812014), (5674, 70152607), (6874, 57906007), (19859, 20043602), (20411, 19501538), (39718, 10021801), (40822, 9750769), (142877, 2785934), (285754, 1392967)]