688331378

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{12107}}^1$

素因数の和:12278

約数の個数: 32

約数和(自身を含む): 1227460608

約数和(自身を除く): 539129230

約数列:

[1, 2, 7, 14, 31, 62, 131, 217, 262, 434, 917, 1834, 4061, 8122, 12107, 24214, 28427, 56854, 84749, 169498, 375317, 750634, 1586017, 2627219, 3172034, 5254438, 11102119, 22204238, 49166527, 98333054, 344165689, 688331378]

約数ペア:

[(1, 688331378), (2, 344165689), (7, 98333054), (14, 49166527), (31, 22204238), (62, 11102119), (131, 5254438), (217, 3172034), (262, 2627219), (434, 1586017), (917, 750634), (1834, 375317), (4061, 169498), (8122, 84749), (12107, 56854), (24214, 28427)]