42170728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 83556000

約数和(自身を除く): 41385272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 659, 842, 1318, 1684, 2636, 3368, 5272, 7999, 12521, 15998, 25042, 31996, 50084, 63992, 100168, 277439, 554878, 1109756, 2219512, 5271341, 10542682, 21085364, 42170728]

約数ペア:

[(1, 42170728), (2, 21085364), (4, 10542682), (8, 5271341), (19, 2219512), (38, 1109756), (76, 554878), (152, 277439), (421, 100168), (659, 63992), (842, 50084), (1318, 31996), (1684, 25042), (2636, 15998), (3368, 12521), (5272, 7999)]