1277785808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2003}}^1\times {\mathrm{3067}}^1$

素因数の和:5091

約数の個数: 40

約数和(自身を含む): 2668350048

約数和(自身を除く): 1390564240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2003, 3067, 4006, 6134, 8012, 12268, 16024, 24536, 26039, 32048, 39871, 49072, 52078, 79742, 104156, 159484, 208312, 318968, 416624, 637936, 6143201, 12286402, 24572804, 49145608, 79861613, 98291216, 159723226, 319446452, 638892904, 1277785808]

約数ペア:

[(1, 1277785808), (2, 638892904), (4, 319446452), (8, 159723226), (13, 98291216), (16, 79861613), (26, 49145608), (52, 24572804), (104, 12286402), (208, 6143201), (2003, 637936), (3067, 416624), (4006, 318968), (6134, 208312), (8012, 159484), (12268, 104156), (16024, 79742), (24536, 52078), (26039, 49072), (32048, 39871)]