101851981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 141465600

約数和(自身を除く): 39613619

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 199, 253, 289, 391, 1309, 1393, 1771, 2023, 2189, 2737, 3179, 3383, 4301, 4577, 6647, 15323, 22253, 23681, 30107, 32039, 37213, 46529, 50347, 57511, 73117, 77809, 260491, 352429, 402577, 511819, 544663, 632621, 855899, 1322753, 4428347, 5991293, 9259271, 14550283, 101851981]

約数ペア:

[(1, 101851981), (7, 14550283), (11, 9259271), (17, 5991293), (23, 4428347), (77, 1322753), (119, 855899), (161, 632621), (187, 544663), (199, 511819), (253, 402577), (289, 352429), (391, 260491), (1309, 77809), (1393, 73117), (1771, 57511), (2023, 50347), (2189, 46529), (2737, 37213), (3179, 32039), (3383, 30107), (4301, 23681), (4577, 22253), (6647, 15323)]