1280490064

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{170641}}^1$

素因数の和:170723

約数の個数: 40

約数和(自身を含む): 2877706688

約数和(自身を除く): 1597216624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 170641, 341282, 682564, 1194487, 1365128, 2388974, 2730256, 4777948, 9555896, 11432947, 19111792, 22865894, 45731788, 80030629, 91463576, 160061258, 182927152, 320122516, 640245032, 1280490064]

約数ペア:

[(1, 1280490064), (2, 640245032), (4, 320122516), (7, 182927152), (8, 160061258), (14, 91463576), (16, 80030629), (28, 45731788), (56, 22865894), (67, 19111792), (112, 11432947), (134, 9555896), (268, 4777948), (469, 2730256), (536, 2388974), (938, 1365128), (1072, 1194487), (1876, 682564), (3752, 341282), (7504, 170641)]