257427476

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{1619}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 455777280

約数和(自身を除く): 198349804

約数列:

[1, 2, 4, 127, 254, 313, 508, 626, 1252, 1619, 3238, 6476, 39751, 79502, 159004, 205613, 411226, 506747, 822452, 1013494, 2026988, 64356869, 128713738, 257427476]

約数ペア:

[(1, 257427476), (2, 128713738), (4, 64356869), (127, 2026988), (254, 1013494), (313, 822452), (508, 506747), (626, 411226), (1252, 205613), (1619, 159004), (3238, 79502), (6476, 39751)]