218216938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 361584000

約数和(自身を除く): 143367062

約数列:

[1, 2, 19, 29, 38, 58, 71, 142, 551, 1102, 1349, 2059, 2698, 2789, 4118, 5578, 39121, 52991, 78242, 80881, 105982, 161762, 198019, 396038, 1536739, 3073478, 3762361, 5742551, 7524722, 11485102, 109108469, 218216938]

約数ペア:

[(1, 218216938), (2, 109108469), (19, 11485102), (29, 7524722), (38, 5742551), (58, 3762361), (71, 3073478), (142, 1536739), (551, 396038), (1102, 198019), (1349, 161762), (2059, 105982), (2698, 80881), (2789, 78242), (4118, 52991), (5578, 39121)]