1397508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 3784704

約数和(自身を除く): 2387196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 131, 254, 262, 381, 393, 508, 524, 762, 786, 889, 917, 1524, 1572, 1778, 1834, 2667, 2751, 3556, 3668, 5334, 5502, 10668, 11004, 16637, 33274, 49911, 66548, 99822, 116459, 199644, 232918, 349377, 465836, 698754, 1397508]

約数ペア:

[(1, 1397508), (2, 698754), (3, 465836), (4, 349377), (6, 232918), (7, 199644), (12, 116459), (14, 99822), (21, 66548), (28, 49911), (42, 33274), (84, 16637), (127, 11004), (131, 10668), (254, 5502), (262, 5334), (381, 3668), (393, 3556), (508, 2751), (524, 2667), (762, 1834), (786, 1778), (889, 1572), (917, 1524)]