1856345645

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2081}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 2836783296

約数和(自身を除く): 980437651

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 331, 385, 539, 1655, 2081, 2317, 2695, 3641, 10405, 11585, 14567, 16219, 18205, 22891, 25487, 72835, 81095, 101969, 114455, 127435, 160237, 178409, 509845, 688811, 801185, 892045, 1121659, 3444055, 4821677, 5608295, 7576921, 24108385, 33751739, 37884605, 53038447, 168758695, 265192235, 371269129, 1856345645]

約数ペア:

[(1, 1856345645), (5, 371269129), (7, 265192235), (11, 168758695), (35, 53038447), (49, 37884605), (55, 33751739), (77, 24108385), (245, 7576921), (331, 5608295), (385, 4821677), (539, 3444055), (1655, 1121659), (2081, 892045), (2317, 801185), (2695, 688811), (3641, 509845), (10405, 178409), (11585, 160237), (14567, 127435), (16219, 114455), (18205, 101969), (22891, 81095), (25487, 72835)]