2008340425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{28477}}^1$

素因数の和:28538

約数の個数: 48

約数和(自身を含む): 3164019712

約数和(自身を除く): 1155679287

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 1085, 2015, 2275, 2821, 5425, 10075, 14105, 28477, 70525, 142385, 199339, 370201, 711925, 882787, 996695, 1851005, 2591407, 4413935, 4983475, 6179509, 9255025, 11476231, 12957035, 22069675, 30897545, 57381155, 64785175, 80333617, 154487725, 286905775, 401668085, 2008340425]

約数ペア:

[(1, 2008340425), (5, 401668085), (7, 286905775), (13, 154487725), (25, 80333617), (31, 64785175), (35, 57381155), (65, 30897545), (91, 22069675), (155, 12957035), (175, 11476231), (217, 9255025), (325, 6179509), (403, 4983475), (455, 4413935), (775, 2591407), (1085, 1851005), (2015, 996695), (2275, 882787), (2821, 711925), (5425, 370201), (10075, 199339), (14105, 142385), (28477, 70525)]