1256552878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{8273}}^1$

素因数の和:8872

約数の個数: 32

約数和(自身を含む): 2271709440

約数和(自身を除く): 1015156562

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 571, 1142, 3997, 7994, 8273, 10849, 16546, 21698, 57911, 75943, 115822, 151886, 157187, 314374, 1100309, 2200618, 4723883, 9447766, 33067181, 66134362, 89753777, 179507554, 628276439, 1256552878]

約数ペア:

[(1, 1256552878), (2, 628276439), (7, 179507554), (14, 89753777), (19, 66134362), (38, 33067181), (133, 9447766), (266, 4723883), (571, 2200618), (1142, 1100309), (3997, 314374), (7994, 157187), (8273, 151886), (10849, 115822), (16546, 75943), (21698, 57911)]