398039684

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 809907840

約数和(自身を除く): 411868156

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 211, 356, 422, 623, 757, 844, 1246, 1477, 1514, 2492, 2954, 3028, 5299, 5908, 10598, 18779, 21196, 37558, 67373, 75116, 131453, 134746, 159727, 262906, 269492, 319454, 471611, 525812, 638908, 943222, 1118089, 1886444, 2236178, 4472356, 14215703, 28431406, 56862812, 99509921, 199019842, 398039684]

約数ペア:

[(1, 398039684), (2, 199019842), (4, 99509921), (7, 56862812), (14, 28431406), (28, 14215703), (89, 4472356), (178, 2236178), (211, 1886444), (356, 1118089), (422, 943222), (623, 638908), (757, 525812), (844, 471611), (1246, 319454), (1477, 269492), (1514, 262906), (2492, 159727), (2954, 134746), (3028, 131453), (5299, 75116), (5908, 67373), (10598, 37558), (18779, 21196)]